Where does Crompton Technology Group, Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Crompton Technology Group, Ltd. ranks #5,433 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 Crompton Technology Group, Ltd. hold?

Crompton Technology Group, Ltd. holds 63 US utility patents granted between 2016 and 2025, spanning 33 technology areas.

What is Crompton Technology Group, Ltd.'s Innovation Score?

Crompton Technology Group, Ltd. has an Innovation Score of 52.3 out of 100 (top 10% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Crompton Technology Group, Ltd.'s patent grant rate increasing or decreasing?

Crompton Technology Group, Ltd.'s recent grant velocity is +370% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Crompton Technology Group, Ltd.'s patents?

Crompton Technology Group, Ltd.'s patents average 12.2 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 Crompton Technology Group, Ltd. 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 Foreign Corporation

Crompton Technology Group, Ltd.

Q: What technology areas does Crompton Technology Group, Ltd. focus on?

Crompton Technology Group, Ltd.'s top technology area is B29C (Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing) with 31 patents, ranking #207 of 4,378 assignees active in that subclass. Grants appear in 33 CPC subclasses total.

USPTO PatentsView assignee record - 63 granted patents across 33 technology areas, recorded in grant years 2016–2025. 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: B29C (Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Crompton ranks #5,433 of 49,997 tracked US assignees by granted-patent volume, with 63 patents across 33 technology areas.

#5,433
of 49,997 US assignees by volume: Top 10%
by Innovation Score (52.3/100): 12.2
avg claims per patent: +370%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R5433 · Foreign Corporation #5,433 · 63 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-RICH · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-SMALL 63 grants
UPPER-Q #5,433/49,997
PHOTO-FINISH Baldwin Filters
CPC-FOCUS B29C · 33 areas
INNOV-PAR 52.3/100
CLAIMS-RICH 12.2 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +370% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Baldwin Filters, Inc. (±0 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 Crompton’s 52.3 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 14.4 pts (28%) Velocity 10.3 pts (20%) Breadth 20.3 pts (39%) Claim depth 7.3 pts (14%)

Qualcomm Incorporated · highest

85
Nifco Korea · near

52
The Esab Group · near

52
Boa Technology · near

52
Crompton Technology… · this assignee

52
Kureha · near

52
3D Lighting… · lowest

7

What this shows Crompton's Innovation Score is 52.3/100 (top 10% 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 Crompton?

Each dot is one of Crompton’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). Crompton’s own 12.2 claims/patent is at or below the 18.5 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Crompton's grants concentrate

Crompton Technology Group, Ltd. is a focused PatentsView assignee: 33 CPC subclasses with 49.2% of grants classified under B29C (Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing). Peak complete grant year is 2024 (13 grants) versus a trough of 1 in 2016. By volume, Crompton sits between BGI Shenzhen and Envisics Ltd.

Crompton's three-year grant acceleration

From 2019–2021 to 2022–2024, Crompton Technology Group, Ltd. moved from 20 to 31 grants (1.55x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

BGI Shenzhen

63
Baldwin Filters

63
Brewer Science

63
Clearpath Robotics

63
Century Technolog…

63
Diehl Aerospace

63
Displaylink (UK)

63
Envisics

63
Crompton Technolo… ◀

63

What this shows Crompton holds 63 patents at rank #5,432, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Crompton

By rank, the assignees closest to #5,432 in granted patent volume.

Leaders in B29C (Shaping OR Joining OF Plastics)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Crompton, neither rank-band nor same-CPC leaders (those blocks stay above). In B29C (Shaping OR Joining OF Plastics), Crompton ranks #207 of 4,378 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (52 here).

Boa Technology Inc. 52 Kureha Corporation 52 The Esab Group, Inc. 52 Nifco Korea Inc. 52

Similar claim depth

Nearest assignees by average claims per patent (12.2 here).

Trek Bicycle Corporation 12.2 avg Hindustan Petroleum Corporation Limited 12.2 avg Semikron Elektronik GMBH & Co. KG 12.2 avg Fudan University 12.2 avg

Crompton's Innovation Score vs. every tracked assignee

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

52 Top 10% higher than 90% 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 · 2016–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2016–2019 baseline. Full figures in the table below.

View data table

Crompton Technology Group, Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	1	1.6%
2017	1	1.6%
2018	4	6.3%
2019	4	6.3%
2020	6	9.5%
2021	10	15.9%
2022	12	19.0%
2023	6	9.5%
2024	13	20.6%
2025partial year	6	9.5%

Which technologies does Crompton Technology Group, Ltd. patent most?

B29C - Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing 31

F16L - PIPES; Joints OR Fittings FOR PIPES; Supports FOR Pipes, Cables OR Protective TUBING; Means FOR Thermal Insulation IN General 25

F16C - SHAFTS; Flexible SHAFTS; Elements OR Crankshaft MECHANISMS; Rotary Bodies Other Than Gearing ELEMENTS; Bearings 24

B29L - Indexing Scheme Associated With Subclass B29c, Relating TO Particular Articles 21

F16B - Devices FOR Fastening OR Securing Constructional Elements OR Machine Parts Together, e.g. Nails, Bolts, Circlips, Clamps, Clips OR WEDGES; Joints OR Jointing 19

F16D - Couplings FOR Transmitting ROTATION; CLUTCHES; Brakes 13

B64D - Equipment FOR Fitting IN OR TO AIRCRAFT; Flight SUITS; PARACHUTES; Arrangement OR Mounting OF Power Plants OR Propulsion Transmissions IN Aircraft 10

B29K - Indexing Scheme Associated With Subclasses B29b, B29c OR B29d, Relating TO Moulding Materials OR TO Materials FOR ; Moulds, ; Reinforcements, Fillers OR Preformed Parts, e.g. Inserts 10

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 7

B29D - Producing Particular Articles From Plastics OR From Substances IN A Plastic State 7

B64C - AEROPLANES; Helicopters 6

Y02T - Climate Change Mitigation Technologies Related TO Transportation 6

B29B - Preparation OR Pretreatment OF THE Material TO BE SHAPED; Making Granules OR PREFORMS; Recovery OF Plastics OR Other Constituents OF Waste Material Containing Plastics 6

H01B - CABLES; CONDUCTORS; INSULATORS; Selection OF Materials FOR Their Conductive, Insulating OR Dielectric Properties 6

C08J - WORKING-UP; General Processes OF COMPOUNDING; After-treatment NOT Covered BY Subclasses C08b, C08c, C08f, C08g or C08h 5

Top 15 of 33 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

Crompton Technology Group, Ltd.'s patent record in context - here's where to go next.

Crompton Technology Group, Ltd.'s lead technology class is B29C (Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing), 49.2% of its portfolio - see every assignee active in that class. Explore B29C
Ranked #5,433 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Crompton Technology Group, Ltd. against BGI Shenzhen, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 52.3/100 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.