USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Stefanplast S.p.a.

USPTO PatentsView assignee record - 13 granted patents across 4 technology areas, recorded in grant years 2020–2023. 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: B29L (INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES).

The verdict

According to USPTO PatentsView, Stefanplast ranks #21,832 of 50,000 tracked US assignees by granted-patent volume, with 13 patents across 4 technology areas.

#21,832
of 50,000 US assignees by volume
Top 96%
by Innovation Score (17.6/100)
1.5
avg claims per patent

USPTO PatentsView assignee plate

Corpus R21832 · Foreign Corporation #21,832 · 13 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-LOW · CLAIMS-SPARSE · TYPE-FRNCORP · SPAN-YRS · BOOK-RICH

  • GRANTS-MICRO 13 grants
  • MID-PACK #21,832/50,000
  • PHOTO-FINISH Spec Seats
  • CPC-NARROW B29L · 4 areas
  • INNOV-LOW 17.6/100
  • CLAIMS-SPARSE 1.5 claims/avg
  • TYPE-FRNCORP Foreign Corp
  • SPAN-YRS 2020–2023 · 4y
  • BOOK-RICH 9/10 fields

Nearest grant-volume peer: Spec Seats Technologies 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.

Innovation-score neighbourhood around Stefanplast

Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.

score

What this shows Stefanplast's Innovation Score is 17.6/100 (top 96% 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.

Source USPTO PatentsView, PlainPatent Innovation Score As of 2015–2025

Where Stefanplast's grants concentrate

Stefanplast S.p.a. is a focused PatentsView assignee: 4 CPC subclasses with 7.7% of grants classified under B29L (INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES). Peak complete grant year is 2021 (7 grants) versus a trough of 1 in 2023. By volume, Stefanplast sits between Spec Seats Technologies Inc. and Strata Safety Products, Llc.

Who files at Stefanplast's volume?

Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀

patents

What this shows Stefanplast holds 13 patents at rank #21,843, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Source USPTO PatentsView, granted utility patents As of 2015–2025

Companies ranked near Stefanplast

By rank, the assignees closest to #21,843 in granted patent volume.

Leaders in B29L (Indexing Scheme Associated WITH Subclass B29C)

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

Stefanplast's Innovation Score vs. every tracked assignee

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

18 Top 96% higher than 4% of 50,000 US assignees

0–10: 687 US assignees (1%). Below this entry. 10–20: 2,527 US assignees (5%). This entry sits in this band. 20–30: 13,162 US assignees (26%). Above this entry. 30–40: 15,294 US assignees (31%). Above this entry. 40–50: 11,491 US assignees (23%). Above this entry. 50–60: 5,058 US assignees (10%). Above this entry. 60–70: 1,537 US assignees (3%). Above this entry. 70–80: 234 US assignees (0%). Above this entry. 80–90: 10 US assignees (0%). Above this entry. 90–100: 0 US assignees (0%). Above this entry. This assignee 0 100 every tracked assignee, bucketed by value

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

02468 202020212023 1
USPTO utility patent grants by year · 2020–2023

Grants by year

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

View data table
Stefanplast S.p.a. patent grants by year, 2015–2025
Year Patents Granted Share of Period
2020 5 38.5%
2021 7 53.8%
2023 1 7.7%

Where it ranks

Overall rank by patents

#21,832

of 50,000 tracked assignees

Innovation Score

17.6 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

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.