Where does Hamilton Sundstrand Corporation (HSC) rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Hamilton Sundstrand Corporation (HSC) ranks #103 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does Hamilton Sundstrand Corporation (HSC) hold?

Hamilton Sundstrand Corporation (HSC) holds 3,501 US utility patents granted between 2015 and 2025, spanning 264 technology areas.

What is Hamilton Sundstrand Corporation (HSC)'s Innovation Score?

Hamilton Sundstrand Corporation (HSC) has an Innovation Score of 67.5 out of 100 (top 1% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Hamilton Sundstrand Corporation (HSC)'s patent grant rate increasing or decreasing?

Hamilton Sundstrand Corporation (HSC)'s recent grant velocity is +32% compared to the prior five-year period (grant years, not application filing dates). The company is maintaining or growing its granted-patent output.

What does claim depth mean for Hamilton Sundstrand Corporation (HSC)'s patents?

Hamilton Sundstrand Corporation (HSC)'s patents average 14.3 claims each. This is an aggregate descriptive count from the grant record; it does not establish claim scope, legal strength, enforceability, or design-around risk.

How is the Hamilton Sundstrand Corporation (HSC) patent data sourced?

All patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office covering US granted utility patents from 2015 to 2025.

USPTO 2015–2025 USPTO PatentsView US Corporation

Hamilton Sundstrand Corporation (HSC)

Q: What technology areas does Hamilton Sundstrand Corporation (HSC) focus on?

Hamilton Sundstrand Corporation (HSC)'s top technology area is B64D (Equipment FOR Fitting IN OR TO AIRCRAFT; Flight SUITS; PARACHUTES; Arrangement OR Mounting OF Power Plants OR Propulsion Transmissions IN Aircraft) with 910 patents, ranking #3 of 799 assignees active in that subclass. Grants appear in 264 CPC subclasses total.

USPTO PatentsView assignee record - 3,501 granted patents across 264 technology areas, recorded in grant years 2015–2025. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength. Primary class: B64D (Equipment FOR Fitting IN OR TO AIRCRAFT; Flight SUITS; PARACHUTES; Arrangement OR Mounting OF Power Plants OR Propulsion Transmissions IN Aircraft).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Hamilton ranks #103 of 49,997 tracked US assignees by granted-patent volume, with 3,501 patents across 264 technology areas.

#103
of 49,997 US assignees by volume: Top 1%
by Innovation Score (67.5/100): 14.3
avg claims per patent: +32%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R103 · US Corporation #103 · 3,501 grants

GRANTS-LARGE · TOP-DECILE · NEAR-PEER · CPC-BROAD · INNOV-STRONG · CLAIMS-RICH · TYPE-USCORP · VEL-UP · BOOK-FULL

GRANTS-LARGE 3.5K grants
TOP-DECILE #103/49,997
NEAR-PEER Corning Incorporated
CPC-BROAD B64D · 264 areas
INNOV-STRONG 67.5/100
CLAIMS-RICH 14.3 claims/avg
TYPE-USCORP US Corporation
VEL-UP +32% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Corning Incorporated (±7 grants)

Instrument codes from this assignee’s USPTO PatentsView grant sheet: volume band, corpus rank, photo-finish peer, lead CPC, Innovation Score, claim depth, assignee type, velocity, and book completeness. Not a USPTO rating of patent strength.

How Hamilton’s 67.5 Innovation Score adds up

The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.

Volume 28.2 pts (42%) Velocity 5.8 pts (9%) Breadth 25.0 pts (37%) Claim depth 8.5 pts (13%)

Qualcomm Incorporated · highest

85
Georgia Tech Research · near

68
STMicroelectronics… · near

68
Hamilton Sundstrand… · this assignee

68
IGT · near

68
City University OF… · near

68
3D Lighting… · lowest

7

What this shows Hamilton's Innovation Score is 67.5/100 (top 1% of the PatentsView-derived corpus). The chart places that score against the nearest Innovation Score peers plus corpus poles, not a reprint of the volume ranking.

Does more volume mean deeper claims for Hamilton?

Each dot is one of Hamilton’s 8 nearest volume peers (same corpus rank neighbourhood as the chart above), placed by total granted patents (horizontal) against average claims per patent (vertical). Hamilton’s own 14.3 claims/patent is ABOVE the 13.4 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

Hamilton vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

How Hamilton's grant cadence moved

Between 2020–2024, Hamilton Sundstrand Corporation (HSC) received 1,864 grants versus 1,414 in 2015–2019 (+32% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2020 at 454 grants and bottomed in 2016 at 248. Lead class B64D accounts for 26% of the portfolio across 264 subclasses. Volume neighbours: KIA Corporation (#99) and Seagate Technology LLC (#107).

Hamilton's three-year grant acceleration

From 2019–2021 to 2022–2024, Hamilton Sundstrand Corporation (HSC) moved from 1,187 to 1,030 grants (0.87x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #1,604. See the growth leaderboard.

KIA

3,712
Sandisk

3,712
Fuji Xerox

3,629
Panasonic Intelle…

3,535
Hamilton Sundstra… ◀

3,501
Corning Incorpora…

3,494
Nissan Motor

3,456
Whirlpool

3,434
Seagate Technology

3,383

What this shows Hamilton holds 3,501 patents at rank #103, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Hamilton

By rank, the assignees closest to #103 in granted patent volume.

Leaders in B64D (Equipment FOR Fitting IN OR TO Aircraft)

Other assignees with the most granted patents in Hamilton's primary technology class.

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Hamilton, neither rank-band nor same-CPC leaders (those blocks stay above). In B64D (Equipment FOR Fitting IN OR TO Aircraft), Hamilton ranks #3 of 799 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (68 here).

IGT 68 STMicroelectronics (Grenoble 2) SAS 68 Georgia Tech Research Corporation 68 City University OF Hong Kong 68

Similar claim depth

Nearest assignees by average claims per patent (14.3 here).

Schaeffler Technologies AG & Co. KG 14.3 avg Fluke Corporation 14.3 avg Benteler Automobiltechnik GMBH 14.3 avg AutoStore Technology AS 14.3 avg

Hamilton's Innovation Score vs. every tracked assignee

Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)

68 Top 1% higher than 99% of 49,997 US assignees

Each bar is a band; taller bars hold more US assignees. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source USPTO PatentsView, PlainPatent Innovation Score · 2015–2025

USPTO utility patent grants by year · 2015–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Hamilton Sundstrand Corporation (HSC) patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	263	7.5%
2016	248	7.1%
2017	258	7.4%
2018	292	8.3%
2019	353	10.1%
2020	454	13.0%
2021	380	10.9%
2022	346	9.9%
2023	358	10.2%
2024	326	9.3%
2025partial year	223	6.4%

Which technologies does Hamilton Sundstrand Corporation (HSC) patent most?

B64D - Equipment FOR Fitting IN OR TO AIRCRAFT; Flight SUITS; PARACHUTES; Arrangement OR Mounting OF Power Plants OR Propulsion Transmissions IN Aircraft 910

F05D - Indexing Scheme FOR Aspects Relating TO Non-positive-displacement Machines OR Engines, Gas-turbines OR Jet-propulsion Plants 562

F02C - Gas-turbine PLANTS; AIR Intakes FOR Jet-propulsion PLANTS; Controlling Fuel Supply IN Air-breathing Jet-propulsion Plants 545

Y02T - Climate Change Mitigation Technologies Related TO Transportation 525

H02K - Dynamo-electric Machines 419

F01D - Non-positive Displacement Machines OR Engines, e.g. Steam Turbines 380

F16K - VALVES; TAPS; COCKS; ACTUATING-FLOATS; Devices FOR Venting OR Aerating 309

Y10T - Technical Subjects Covered BY Former US Classification 289

F28F - Details OF Heat-exchange AND Heat-transfer Apparatus, OF General Application 273

F04D - Non-positive-displacement Pumps 259

F28D - Heat-exchange Apparatus, NOT Provided FOR IN Another Subclass, IN Which THE Heat-exchange Media DO NOT Come Into Direct Contact 227

H02M - Apparatus FOR Conversion Between AC AND AC, Between AC AND DC, OR Between DC AND DC, AND FOR USE With Mains OR Similar Power Supply SYSTEMS; Conversion OF DC OR AC Input Power Into Surge Output POWER; Control OR Regulation Thereof 224

B01D - Separation 223

H02P - Control OR Regulation OF Electric Motors, Electric Generators OR Dynamo-electric CONVERTERS; Controlling Transformers, Reactors OR Choke Coils 221

B33Y - Additive Manufacturing, i.e. Manufacturing OF Three-dimensional [3-D] Objects BY Additive Deposition, Additive Agglomeration OR Additive Layering, e.g. BY 3-D Printing, Stereolithography OR Selective Laser Sintering 215

Top 15 of 264 technology areas

More on this record

Data Source

USPTO PatentsView, US granted patents 2015–2025

View all rankings → How is Innovation Score calculated?

What to do with this data

Hamilton Sundstrand Corporation (HSC)'s patent record in context - here's where to go next.

Hamilton Sundstrand Corporation (HSC)'s lead technology class is B64D (Equipment FOR Fitting IN OR TO AIRCRAFT; Flight SUITS; PARACHUTES; Arrangement OR Mounting OF Power Plants OR Propulsion Transmissions IN Aircraft), 26% of its portfolio - see every assignee active in that class. Explore B64D
Ranked #103 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Hamilton Sundstrand Corporation (HSC) against KIA Corporation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 67.5/100 blends volume, velocity, technology breadth, and claim depth. How it's calculated

Figures reflect USPTO PatentsView grant data through May 2026; pending applications not yet granted are not counted.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the USPTO PatentsView database. Consult a qualified professional before making decisions based on this data.

Read our methodology - how this data is sourced, computed, and verified.

Data sources used on this page

USPTO PatentsView - the disambiguated bulk patent-grant, assignee, and CPC data this page's figures are derived from. patentsview.org
Cooperative Patent Classification (CPC) - the joint USPTO/EPO classification scheme used to group patents by technology area. cooperativepatentclassification.org
USPTO Patent Public Search - the official interface to verify the status of any individual patent. ppubs.uspto.gov

Compiled by PlainPatent , US Patent Intelligence Editorial Process · May 15, 2026

Every figure on PlainPatent is rendered directly from USPTO source data, no number is typed in by an editor. This page draws directly on USPTO source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.