Key-Link Fencing & Railing, Inc.
USPTO PatentsView assignee record - 8 granted patents across 4 technology areas, recorded in grant years 2025–2025. 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: E04F (Finishing Work ON Buildings, e.g. Stairs, Floors).
The verdict
According to USPTO PatentsView, Key-link ranks #32,237 of 49,997 tracked US assignees by granted-patent volume, with 8 patents across 4 technology areas.
- #32,237
- of 49,997 US assignees by volume
- 4th percentile
- by Innovation Score (16.8/100)
- 3.6
- avg claims per patent
USPTO PatentsView assignee plate
Corpus R32237 · US Corporation #32,237 · 8 grants
GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-LOW · CLAIMS-SPARSE · TYPE-USCORP · SPAN-YRS · BOOK-RICH
- GRANTS-MICRO 8 grants
- MID-PACK #32,237/49,997
- PHOTO-FINISH KbPort
- CPC-NARROW E04F · 4 areas
- INNOV-LOW 16.8/100
- CLAIMS-SPARSE 3.6 claims/avg
- TYPE-USCORP US Corporation
- SPAN-YRS 2025–2025 · 1y
- BOOK-RICH 9/10 fields
Nearest grant-volume peer: KbPort, 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 Key-link’s 16.8 Innovation Score adds up
The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.
Innovation-score neighbourhood around Key-link
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
- Qualcomm Incorporated · highest
Qualcomm Incorporated · highest
85 score
- Key-Link Fencing &… · this assignee 17
Key-Link Fencing &… · this assignee
17 score
- 3D Lighting… · lowest 7
3D Lighting… · lowest
7 score
What this shows Key-link's Innovation Score is 16.8/100 (4th 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 Key-link?
Each dot is one of Key-link’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). Key-link’s own 3.6 claims/patent is at or below the 16.1 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.
Where Key-link's grants concentrate
Key-Link Fencing & Railing, Inc. is a focused PatentsView assignee: 4 CPC subclasses with 12.5% of grants classified under E04F (Finishing Work ON Buildings, e.g. Stairs, Floors). By volume, Key-link sits between KbPort, LLC and Kindred Biosciences, Inc..
Who files at Key-Link's volume?
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
- Kbport
KbPort, LLC
8 patents
- Keenon Robotics
Keenon Robotics Co., Ltd.
8 patents
- Kerley &
Kerley & Co. Ltd.
8 patents
- Kerry Luxembourg…
Kerry Luxembourg S.á.r.l.
8 patents
- Keybioscience
KeyBioscience AG
8 patents
- Keystone
Keystone Technologies, LLC
8 patents
- Kilburn Live
Kilburn Live, LLC
8 patents
- Kindred Bioscienc…
Kindred Biosciences, Inc.
8 patents
- Key-link Fencing… ◀
Key-Link Fencing & Railing, Inc.
8 patents
What this shows Key-Link holds 8 patents at rank #32,260, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
Companies ranked near Key-Link
By rank, the assignees closest to #32,260 in granted patent volume.
- KbPort, LLC #32,256 · 8 patents
- Keenon Robotics Co., Ltd. #32,257 · 8 patents
- Kerley & Co. Ltd. #32,258 · 8 patents
- Kerry Luxembourg S.á.r.l. #32,259 · 8 patents
- KeyBioscience AG #32,261 · 8 patents
- Keystone Technologies, LLC #32,262 · 8 patents
- Kilburn Live, LLC #32,263 · 8 patents
- Kindred Biosciences, Inc. #32,264 · 8 patents
Leaders in E04F (Finishing Work ON Buildings)
Other assignees with the most granted patents in Key-Link's primary technology class.
Key-link's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
17 4th percentile higher than 4% 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
Grants by year
Teal-shaded recent years (2020–present) versus the 2025–2019 baseline. Full figures in the table below.
View data table
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2025partial year | 8 | 100.0% |
Which technologies does Key-Link Fencing & Railing, Inc. patent most?
Top 4 of 4 technology areas
Data Source
USPTO PatentsView, US granted patents 2015–2025
What to do with this data
Key-Link Fencing & Railing, Inc.'s patent record in context - here's where to go next.
- Key-Link Fencing & Railing, Inc.'s lead technology class is E04F (Finishing Work ON Buildings, e.g. Stairs, Floors), 12.5% of its portfolio - see every assignee active in that class. Explore E04F
- Ranked #32,237 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
- Compare Key-Link Fencing & Railing, Inc. against KbPort, LLC, an assignee filing at a similar volume. Compare portfolios
- Innovation Score of 16.8/100 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.
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.