Where does Wolf Appliance, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Wolf Appliance, Inc. ranks #10,822 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 Wolf Appliance, Inc. hold?

Wolf Appliance, Inc. holds 29 US utility patents granted between 2015 and 2021, spanning 6 technology areas.

What is Wolf Appliance, Inc.'s Innovation Score?

Wolf Appliance, Inc. has an Innovation Score of 24.0 out of 100 (13th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Wolf Appliance, Inc. focus on?

Wolf Appliance, Inc.'s top technology area is A47L (Domestic Washing OR Cleaning ; Suction Cleaners IN General) with 3 patents, ranking #199 of 516 assignees active in that subclass. Grants appear in 6 CPC subclasses total.

Is Wolf Appliance, Inc.'s patent grant rate increasing or decreasing?

Wolf Appliance, Inc.'s recent grant velocity is -96% 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 Wolf Appliance, Inc.'s patents?

Wolf Appliance, Inc.'s patents average 5.9 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 Wolf Appliance, 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

Wolf Appliance, Inc.

USPTO PatentsView assignee record - 29 granted patents across 6 technology areas, recorded in grant years 2015–2021. 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: A47L (Domestic Washing OR Cleaning ; Suction Cleaners IN General).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Wolf ranks #10,822 of 49,997 tracked US assignees by granted-patent volume, with 29 patents across 6 technology areas.

#10,822
of 49,997 US assignees by volume: 13th percentile
by Innovation Score (24.0/100): 5.9
avg claims per patent: -96%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R10822 · US Corporation #10,822 · 29 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-SPARSE · TYPE-USCORP · VEL-DROP · BOOK-FULL

GRANTS-SMALL 29 grants
UPPER-Q #10,822/49,997
PHOTO-FINISH WaferTech
CPC-NARROW A47L · 6 areas
INNOV-THIN 24.0/100
CLAIMS-SPARSE 5.9 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -96% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: WaferTech, LLC (±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 Wolf’s 24.0 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 11.7 pts (49%) Velocity 0.0 pts (0%) Breadth 8.7 pts (36%) Claim depth 3.6 pts (15%)

Qualcomm Incorporated · highest

85
Heil Trailer… · near

24
O'brien Holding · near

24
Wolf Appliance · this assignee

24
Hodge Products · near

24
Zentera Systems · near

24
3D Lighting… · lowest

7

What this shows Wolf's Innovation Score is 24.0/100 (13th 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 Wolf?

Each dot is one of Wolf’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). Wolf’s own 5.9 claims/patent is at or below the 10.7 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Wolf's grants concentrate

Wolf Appliance, Inc. is a focused PatentsView assignee: 6 CPC subclasses with 10.3% of grants classified under A47L (Domestic Washing OR Cleaning ; Suction Cleaners IN General). Peak complete grant year is 2015 (10 grants) versus a trough of 1 in 2018. By volume, Wolf sits between Worthington Armstrong Venture and Young Chang Chemical Co., Ltd.

Worthington Armst…

29
Wafertech

29
Waxman Consumer P…

29
Westin Automotive…

29
Wolf Tooth Compon…

29
Xyratex Technology

29
Yodlee

29
Young Chang Chemi…

29
Wolf Appliance ◀

29

What this shows Wolf holds 29 patents at rank #10,824, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Wolf

By rank, the assignees closest to #10,824 in granted patent volume.

Leaders in A47L (Domestic Washing OR Cleaning)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Wolf, neither rank-band nor same-CPC leaders (those blocks stay above). In A47L (Domestic Washing OR Cleaning), Wolf ranks #199 of 516 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (24 here).

Zentera Systems, Inc. 24 Hodge Products, Inc. 24 O'brien Holding Co., Inc. 24 Heil Trailer International, LLC 24

Wolf's Innovation Score vs. every tracked assignee

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

24 13th percentile higher than 13% 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 · 2015–2021

Grants by year

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

View data table

Wolf Appliance, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	10	34.5%
2016	3	10.3%
2017	8	27.6%
2018	1	3.4%
2019	6	20.7%
2021	1	3.4%

Which technologies does Wolf Appliance, Inc. patent most?

A47L - Domestic Washing OR Cleaning ; Suction Cleaners IN General 3

F24C - Domestic Stoves OR Ranges ; Details OF Domestic Stoves OR Ranges, OF General Application 3

E05Y - Indexing Scheme Associated With Subclasses E05d AND E05f, Relating TO Construction Elements, Electric Control, Power Supply, Power Signal OR Transmission, User Interfaces, Mounting OR Coupling, Details, Accessories, Auxiliary Operations NOT Otherwise Provided FOR, Application Thereof 1

E05D - Hinges OR Suspension Devices FOR Doors, Windows OR Wings 1

D06F - Laundering, Drying, Ironing, Pressing OR Folding Textile Articles 1

G05G - Control Devices OR Systems Insofar AS Characterised BY Mechanical Features Only 1

Top 6 of 6 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

Wolf Appliance, Inc.'s patent record in context - here's where to go next.

Wolf Appliance, Inc.'s lead technology class is A47L (Domestic Washing OR Cleaning ; Suction Cleaners IN General), 10.3% of its portfolio - see every assignee active in that class. Explore A47L
Ranked #10,822 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Wolf Appliance, Inc. against Worthington Armstrong Venture, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 24.0/100 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.