Where does Guill Tool & Engineering Co., Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Guill Tool & Engineering Co., Inc. ranks #8,215 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 Guill Tool & Engineering Co., Inc. hold?

Guill Tool & Engineering Co., Inc. holds 39 US utility patents granted between 2015 and 2025, spanning 19 technology areas.

What is Guill Tool & Engineering Co., Inc.'s Innovation Score?

Guill Tool & Engineering Co., Inc. has an Innovation Score of 36.6 out of 100 (top 46% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Guill Tool & Engineering Co., Inc.'s patent grant rate increasing or decreasing?

Guill Tool & Engineering Co., Inc.'s recent grant velocity is +24% 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 Guill Tool & Engineering Co., Inc.'s patents?

Guill Tool & Engineering Co., Inc.'s patents average 9.1 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 Guill Tool & Engineering Co., Inc. 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

Guill Tool & Engineering Co., Inc.

Q: What technology areas does Guill Tool & Engineering Co., Inc. focus on?

Guill Tool & Engineering Co., Inc.'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 36 patents, ranking #171 of 4,378 assignees active in that subclass. Grants appear in 19 CPC subclasses total.

USPTO PatentsView assignee record - 39 granted patents across 19 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: 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, Guill ranks #8,215 of 49,997 tracked US assignees by granted-patent volume, with 39 patents across 19 technology areas.

#8,215
of 49,997 US assignees by volume: Top 46%
by Innovation Score (36.6/100): 9.1
avg claims per patent: +24%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R8215 · US Corporation #8,215 · 39 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-PAR · TYPE-USCORP · VEL-UP · BOOK-FULL

GRANTS-SMALL 39 grants
UPPER-Q #8,215/49,997
PHOTO-FINISH Gauss Surgical
CPC-FOCUS B29C · 19 areas
INNOV-THIN 36.6/100
CLAIMS-PAR 9.1 claims/avg
TYPE-USCORP US Corporation
VEL-UP +24% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Gauss Surgical 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 Guill’s 36.6 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 12.7 pts (35%) Velocity 3.0 pts (8%) Breadth 15.4 pts (42%) Claim depth 5.5 pts (15%)

Qualcomm Incorporated · highest

85
AIC · near

37
Bionomics · near

37
Guill Tool &… · this assignee

37
Kenvue Brands · near

37
Zest IP Holdings · near

37
3D Lighting… · lowest

7

What this shows Guill's Innovation Score is 36.6/100 (top 46% 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 Guill?

Each dot is one of Guill’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). Guill’s own 9.1 claims/patent is at or below the 15.8 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Guill's grants concentrate

Guill Tool & Engineering Co., Inc. is a focused PatentsView assignee: 19 CPC subclasses with 92.3% 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 2020 (9 grants) versus a trough of 1 in 2015. By volume, Guill sits between Gauss Surgical Inc. and Honey-Can-Do International, LLC.

Guill's three-year grant acceleration

From 2019–2021 to 2022–2024, Guill Tool & Engineering Co., Inc. moved from 20 to 9 grants (0.45x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

Gauss Surgical

39
Gen9

39
Goodrich Lighting…

39
Gooee

39
Herrmann Ultrasch…

39
Hitachi Informati…

39
Hannstar Display…

39
Honey-can-do Inte…

39
Guill Tool & Engi… ◀

39

What this shows Guill holds 39 patents at rank #8,215, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Guill

By rank, the assignees closest to #8,215 in granted patent volume.

Leaders in B29C (Shaping OR Joining OF Plastics)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Guill, neither rank-band nor same-CPC leaders (those blocks stay above). In B29C (Shaping OR Joining OF Plastics), Guill ranks #171 of 4,378 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (37 here).

AIC Inc. 37 Bionomics Limited 37 Zest IP Holdings, LLC 37 Kenvue Brands LLC 37

Guill's Innovation Score vs. every tracked assignee

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

37 Top 46% higher than 54% 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

Guill Tool & Engineering Co., Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	2.6%
2016	1	2.6%
2017	2	5.1%
2018	5	12.8%
2019	8	20.5%
2020	9	23.1%
2021	3	7.7%
2022	4	10.3%
2023	4	10.3%
2024	1	2.6%
2025partial year	1	2.6%

Which technologies does Guill Tool & Engineering Co., Inc. 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 36

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 18

Y10T - Technical Subjects Covered BY Former US Classification 16

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 12

B29L - Indexing Scheme Associated With Subclass B29c, Relating TO Particular Articles 10

B29D - Producing Particular Articles From Plastics OR From Substances IN A Plastic State 9

G02B - Optical Elements, Systems OR Apparatus 5

H01G - CAPACITORS; Capacitors, Rectifiers, Detectors, Switching Devices, Light-sensitive OR Temperature-sensitive Devices OF THE Electrolytic Type 5

B30B - Presses IN General 4

F16L - PIPES; Joints OR Fittings FOR PIPES; Supports FOR Pipes, Cables OR Protective TUBING; Means FOR Thermal Insulation IN General 4

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 4

H05F - Static ELECTRICITY; Naturally-occurring Electricity 4

H01B - CABLES; CONDUCTORS; INSULATORS; Selection OF Materials FOR Their Conductive, Insulating OR Dielectric Properties 4

C08J - WORKING-UP; General Processes OF COMPOUNDING; After-treatment NOT Covered BY Subclasses C08b, C08c, C08f, C08g or C08h 3

A61J - Containers Specially Adapted FOR Medical OR Pharmaceutical PURPOSES; Devices OR Methods Specially Adapted FOR Bringing Pharmaceutical Products Into Particular Physical OR Administering FORMS; Devices FOR Administering Food OR Medicines ORALLY; Baby COMFORTERS; Devices FOR Receiving Spittle 3

Top 15 of 19 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

Guill Tool & Engineering Co., Inc.'s patent record in context - here's where to go next.

Guill Tool & Engineering Co., Inc.'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), 92.3% of its portfolio - see every assignee active in that class. Explore B29C
Ranked #8,215 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Guill Tool & Engineering Co., Inc. against Gauss Surgical Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 36.6/100 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.