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

According to USPTO PatentsView (2015–2025 granted utility patents), Stempf Automotive Industries, Inc. ranks #43,323 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 Stempf Automotive Industries, Inc. hold?

Stempf Automotive Industries, Inc. holds 6 US utility patents granted between 2015 and 2020, spanning 7 technology areas.

What is Stempf Automotive Industries, Inc.'s Innovation Score?

Stempf Automotive Industries, Inc. has an Innovation Score of 22.3 out of 100 (10th 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 Stempf Automotive Industries, Inc. focus on?

Stempf Automotive Industries, Inc.'s top technology area is B60G (Vehicle Suspension Arrangements) with 2 patents, ranking #197 of 428 assignees active in that subclass. Grants appear in 7 CPC subclasses total.

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

Stempf Automotive Industries, Inc.'s recent grant velocity is -80% 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 Stempf Automotive Industries, Inc.'s patents?

Stempf Automotive Industries, Inc.'s patents average 10.3 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 Stempf Automotive 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

Stempf Automotive Industries, Inc.

USPTO PatentsView assignee record - 6 granted patents across 7 technology areas, recorded in grant years 2015–2020. 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: B60G (Vehicle Suspension Arrangements).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Stempf ranks #43,323 of 49,997 tracked US assignees by granted-patent volume, with 6 patents across 7 technology areas.

#43,323
of 49,997 US assignees by volume: 10th percentile
by Innovation Score (22.3/100): 10.3
avg claims per patent: -80%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R43323 · US Corporation #43,323 · 6 grants

GRANTS-MICRO · LOWER-Q · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-PAR · TYPE-USCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 6 grants
LOWER-Q #43,323/49,997
PHOTO-FINISH Stel Life
CPC-NARROW B60G · 7 areas
INNOV-THIN 22.3/100
CLAIMS-PAR 10.3 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -80% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Stel Life, 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 Stempf’s 22.3 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 6.7 pts (30%) Velocity 0.0 pts (0%) Breadth 9.4 pts (42%) Claim depth 6.2 pts (28%)

Qualcomm Incorporated · highest

85
Stempf Automotive… · this assignee

22
3D Lighting… · lowest

7

What this shows Stempf's Innovation Score is 22.3/100 (10th 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 Stempf?

Each dot is one of Stempf’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). Stempf’s own 10.3 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.

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

Where Stempf's grants concentrate

Stempf Automotive Industries, Inc. is a focused PatentsView assignee: 7 CPC subclasses with 33.3% of grants classified under B60G (Vehicle Suspension Arrangements). Peak complete grant year is 2015 (3 grants) versus a trough of 1 in 2020. By volume, Stempf sits between Stel Life, Inc. and Stimdia Medical, Inc..

Stel Life

6
Stellar Group

6
Stemsynergy Thera…

6
Stemina Biomarker…

6
Stephen F Austin…

6
Stereo Display

6
Stichting Vumc

6
Stimdia Medical

6
Stempf Automotive… ◀

6

What this shows Stempf holds 6 patents at rank #43,363, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Stempf

By rank, the assignees closest to #43,363 in granted patent volume.

Leaders in B60G (Vehicle Suspension Arrangements)

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

Stempf's Innovation Score vs. every tracked assignee

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

22 10th percentile higher than 10% 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 · 2015–2020

Grants by year

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

View data table

Stempf Automotive Industries, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	3	50.0%
2016	2	33.3%
2020	1	16.7%

Which technologies does Stempf Automotive Industries, Inc. patent most?

B60G - Vehicle Suspension Arrangements 2

F16F - SPRINGS; SHOCK-ABSORBERS; Means FOR Damping Vibration 1

G06F - Electric Digital Data Processing 1

G06Q - Information AND Communication Technology [ICT] Specially Adapted FOR Administrative, Commercial, Financial, Managerial OR Supervisory PURPOSES; Systems OR Methods Specially Adapted FOR Administrative, Commercial, Financial, Managerial OR Supervisory Purposes, NOT Otherwise Provided FOR 1

B60B - Vehicle Wheels ; CASTORS; Axles FOR Wheels OR CASTORS; Increasing Wheel Adhesion 1

H04L - Transmission OF Digital Information, e.g. Telegraphic Communication 1

F16B - Devices FOR Fastening OR Securing Constructional Elements OR Machine Parts Together, e.g. Nails, Bolts, Circlips, Clamps, Clips OR WEDGES; Joints OR Jointing 1

Top 7 of 7 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

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

Stempf Automotive Industries, Inc.'s lead technology class is B60G (Vehicle Suspension Arrangements), 33.3% of its portfolio - see every assignee active in that class. Explore B60G
Ranked #43,323 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Stempf Automotive Industries, Inc. against Stel Life, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 22.3/100 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.