Where does Wolff Industries, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Wolff Industries, Inc. ranks #25,553 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 Wolff Industries, Inc. hold?

Wolff Industries, Inc. holds 11 US utility patents granted between 2015 and 2025, spanning 12 technology areas.

What is Wolff Industries, Inc.'s Innovation Score?

Wolff Industries, Inc. has an Innovation Score of 31.9 out of 100 (39th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Wolff Industries, Inc.'s patent grant rate increasing or decreasing?

Wolff Industries, Inc.'s recent grant velocity is -75% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

What does claim depth mean for Wolff Industries, Inc.'s patents?

Wolff Industries, Inc.'s patents average 18.4 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 Wolff Industries, 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

Wolff Industries, Inc.

Q: What technology areas does Wolff Industries, Inc. focus on?

Wolff Industries, Inc.'s top technology area is B24B (Machines, Devices, OR Processes FOR Grinding OR Polishing ; Dressing OR Conditioning OF Abrading SURFACES; Feeding OF Grinding, Polishing, OR Lapping Agents) with 3 patents, ranking #152 of 468 assignees active in that subclass. Grants appear in 12 CPC subclasses total.

USPTO PatentsView assignee record - 11 granted patents across 12 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: B24B (Machines, Devices, OR Processes FOR Grinding OR Polishing ; Dressing OR Conditioning OF Abrading SURFACES; Feeding OF Grinding, Polishing, OR Lapping Agents).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Wolff ranks #25,553 of 49,997 tracked US assignees by granted-patent volume, with 11 patents across 12 technology areas.

#25,553
of 49,997 US assignees by volume: 39th percentile
by Innovation Score (31.9/100): 18.4
avg claims per patent: -75%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R25553 · US Corporation #25,553 · 11 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-RICH · TYPE-USCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 11 grants
MID-PACK #25,553/49,997
PHOTO-FINISH Wholeknit Internatio…
CPC-FOCUS B24B · 12 areas
INNOV-THIN 31.9/100
CLAIMS-RICH 18.4 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -75% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Wholeknit International Co., Ltd. (±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 Wolff’s 31.9 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 8.6 pts (27%) Velocity 0.0 pts (0%) Breadth 12.2 pts (38%) Claim depth 11.0 pts (35%)

Qualcomm Incorporated · highest

85
Wolff Industries · this assignee

32
3D Lighting… · lowest

7

What this shows Wolff's Innovation Score is 31.9/100 (39th percentile 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 Wolff?

Each dot is one of Wolff’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). Wolff’s own 18.4 claims/patent is ABOVE the 9.8 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Wolff's grants concentrate

Wolff Industries, Inc. is a focused PatentsView assignee: 12 CPC subclasses with 27.3% of grants classified under B24B (Machines, Devices, OR Processes FOR Grinding OR Polishing ; Dressing OR Conditioning OF Abrading SURFACES; Feeding OF Grinding, Polishing, OR Lapping Agents). Peak complete grant year is 2015 (2 grants) versus a trough of 1 in 2020. By volume, Wolff sits between Wholeknit International Co., Ltd. and Wuxi Lead Intelligent Equipment Co., Ltd..

Wholeknit Interna…

11
Wilton Industries

11
Wirepas OY

11
Withsecure

11
Woori Fine Chem

11
Worldwide Diamond…

11
Wuhan Institute O…

11
Wuxi Lead Intelli…

11
Wolff Industries ◀

11

What this shows Wolff holds 11 patents at rank #25,523, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Wolff

By rank, the assignees closest to #25,523 in granted patent volume.

Leaders in B24B (Machines)

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

Wolff's Innovation Score vs. every tracked assignee

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

32 39th percentile higher than 39% 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

Wolff Industries, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	2	18.2%
2016	2	18.2%
2018	2	18.2%
2019	2	18.2%
2020	1	9.1%
2021	1	9.1%
2025partial year	1	9.1%

Which technologies does Wolff Industries, Inc. patent most?

B24B - Machines, Devices, OR Processes FOR Grinding OR Polishing ; Dressing OR Conditioning OF Abrading SURFACES; Feeding OF Grinding, Polishing, OR Lapping Agents 3

G08B - Signalling OR Calling SYSTEMS; Order TELEGRAPHS; Alarm Systems 2

G06K - Graphical Data Reading ; Presentation OF DATA; Record CARRIERS; Handling Record Carriers 2

B24D - Tools FOR Grinding, Buffing OR Sharpening 2

A22C - Processing Meat, Poultry, OR Fish 2

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 2

F16G - Belts, Cables, OR Ropes, Predominantly Used FOR Driving PURPOSES; CHAINS; Fittings Predominantly Used Therefor 2

B65G - Transport OR Storage Devices, e.g. Conveyors FOR Loading OR Tipping, Shop Conveyor Systems OR Pneumatic Tube Conveyors 2

B29D - Producing Particular Articles From Plastics OR From Substances IN A Plastic State 2

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 1

G05B - Control OR Regulating Systems IN GENERAL; Functional Elements OF Such SYSTEMS; Monitoring OR Testing Arrangements FOR Such Systems OR Elements 1

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 1

Top 12 of 12 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

Wolff Industries, Inc.'s patent record in context - here's where to go next.

Wolff Industries, Inc.'s lead technology class is B24B (Machines, Devices, OR Processes FOR Grinding OR Polishing ; Dressing OR Conditioning OF Abrading SURFACES; Feeding OF Grinding, Polishing, OR Lapping Agents), 27.3% of its portfolio - see every assignee active in that class. Explore B24B
Ranked #25,553 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Wolff Industries, Inc. against Wholeknit International Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 31.9/100 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.