Where does Erwin Junker Grinding Technology A.S. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Erwin Junker Grinding Technology A.S. ranks #28,699 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 Erwin Junker Grinding Technology A.S. hold?

Erwin Junker Grinding Technology A.S. holds 9 US utility patents granted between 2015 and 2023, spanning 6 technology areas.

What is Erwin Junker Grinding Technology A.S.'s Innovation Score?

Erwin Junker Grinding Technology A.S. has an Innovation Score of 35.5 out of 100 (top 49% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Erwin Junker Grinding Technology A.S.'s patent grant rate increasing or decreasing?

Erwin Junker Grinding Technology A.S.'s recent grant velocity is +25% 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 Erwin Junker Grinding Technology A.S.'s patents?

Erwin Junker Grinding Technology A.S.'s patents average 14.9 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 Erwin Junker Grinding Technology A.S. 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

Erwin Junker Grinding Technology A.S.

Q: What technology areas does Erwin Junker Grinding Technology A.S. focus on?

Erwin Junker Grinding Technology A.S.'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 8 patents, ranking #70 of 468 assignees active in that subclass. Grants appear in 6 CPC subclasses total.

USPTO PatentsView assignee record - 9 granted patents across 6 technology areas, recorded in grant years 2015–2023. 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

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Erwin ranks #28,699 of 49,997 tracked US assignees by granted-patent volume, with 9 patents across 6 technology areas.

#28,699
of 49,997 US assignees by volume: Top 49%
by Innovation Score (35.5/100): 14.9
avg claims per patent: +25%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R28699 · Foreign Corporation #28,699 · 9 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-UP · BOOK-FULL

GRANTS-MICRO 9 grants
MID-PACK #28,699/49,997
PHOTO-FINISH EP Minerals
CPC-NARROW B24B · 6 areas
INNOV-THIN 35.5/100
CLAIMS-RICH 14.9 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-UP +25% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: EP Minerals 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 Erwin’s 35.5 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 8.0 pts (22%) Velocity 10.0 pts (28%) Breadth 8.7 pts (24%) Claim depth 8.9 pts (25%)

Qualcomm Incorporated · highest

85
Erwin Junker… · this assignee

36
3D Lighting… · lowest

7

What this shows Erwin's Innovation Score is 35.5/100 (top 49% 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 Erwin?

Each dot is one of Erwin’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). Erwin’s own 14.9 claims/patent is ABOVE the 14.1 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Erwin's grants concentrate

Erwin Junker Grinding Technology A.S. is a focused PatentsView assignee: 6 CPC subclasses with 88.9% 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 2016 (2 grants) versus a trough of 1 in 2015. By volume, Erwin sits between EP Minerals LLC and Etat FRANÇAIS Represente PAR LE Delegue General Pour L'armement.

Erwin's three-year grant acceleration

Erwin Junker Grinding Technology A.S. shows 3 grants in 2022–2024 against only 2 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.

EP Minerals

9
Epygon

9
Equator Global

9
Ericsson

9
ES Cell Internati…

9
Essity Operations…

9
EST Group

9
Etat FRANÇAIS Rep…

9
Erwin Junker Grin… ◀

9

What this shows Erwin holds 9 patents at rank #28,652, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Erwin

By rank, the assignees closest to #28,652 in granted patent volume.

Leaders in B24B (Machines)

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

Erwin's Innovation Score vs. every tracked assignee

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

36 Top 49% higher than 51% 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 · 2015–2023

Grants by year

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

View data table

Erwin Junker Grinding Technology A.S. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	11.1%
2016	2	22.2%
2018	1	11.1%
2020	1	11.1%
2021	1	11.1%
2022	2	22.2%
2023	1	11.1%

Which technologies does Erwin Junker Grinding Technology A.S. patent most?

B24B - Machines, Devices, OR Processes FOR Grinding OR Polishing ; Dressing OR Conditioning OF Abrading SURFACES; Feeding OF Grinding, Polishing, OR Lapping Agents 8

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

F02D - Controlling Combustion Engines 1

F02M - Supplying Combustion Engines IN General With Combustible Mixtures OR Constituents Thereof 1

Y02T - Climate Change Mitigation Technologies Related TO Transportation 1

B24D - Tools FOR Grinding, Buffing OR Sharpening 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

Erwin Junker Grinding Technology A.S.'s patent record in context - here's where to go next.

Erwin Junker Grinding Technology A.S.'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), 88.9% of its portfolio - see every assignee active in that class. Explore B24B
Ranked #28,699 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Erwin Junker Grinding Technology A.S. against EP Minerals LLC, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 35.5/100 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.