Where does Keystone Retaining Wall Systems, LLC rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Keystone Retaining Wall Systems, LLC ranks #4,725 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 Keystone Retaining Wall Systems, LLC hold?

Keystone Retaining Wall Systems, LLC holds 74 US utility patents granted between 2015 and 2025, spanning 14 technology areas.

What is Keystone Retaining Wall Systems, LLC's Innovation Score?

Keystone Retaining Wall Systems, LLC has an Innovation Score of 36.9 out of 100 (top 45% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Keystone Retaining Wall Systems, LLC focus on?

Keystone Retaining Wall Systems, LLC's top technology area is E04C (Structural ELEMENTS; Building Materials) with 25 patents, ranking #7 of 492 assignees active in that subclass. Grants appear in 14 CPC subclasses total.

Is Keystone Retaining Wall Systems, LLC's patent grant rate increasing or decreasing?

Keystone Retaining Wall Systems, LLC's recent grant velocity is -62% 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 Keystone Retaining Wall Systems, LLC's patents?

Keystone Retaining Wall Systems, LLC's patents average 10.2 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 Keystone Retaining Wall Systems, LLC 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

Keystone Retaining Wall Systems, LLC

USPTO PatentsView assignee record - 74 granted patents across 14 technology areas, recorded in grant years 2015–2025. 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: E04C (Structural ELEMENTS; Building Materials).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Keystone ranks #4,725 of 49,997 tracked US assignees by granted-patent volume, with 74 patents across 14 technology areas.

#4,725
of 49,997 US assignees by volume: Top 45%
by Innovation Score (36.9/100): 10.2
avg claims per patent: -62%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R4725 · US Corporation #4,725 · 74 grants

GRANTS-SMALL · TOP-DECILE · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-PAR · TYPE-USCORP · VEL-DROP · BOOK-FULL

GRANTS-SMALL 74 grants
TOP-DECILE #4,725/49,997
PHOTO-FINISH Innate Pharma
CPC-FOCUS E04C · 14 areas
INNOV-THIN 36.9/100
CLAIMS-PAR 10.2 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -62% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Innate Pharma (±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 Keystone’s 36.9 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 14.9 pts (40%) Velocity 2.7 pts (7%) Breadth 13.2 pts (36%) Claim depth 6.1 pts (17%)

Qualcomm Incorporated · highest

85
Crocus Technology · near

37
IML International · near

37
Keystone Retaining… · this assignee

37
Qlogic · near

37
Wuxi Hisky Medical · near

37
3D Lighting… · lowest

7

What this shows Keystone's Innovation Score is 36.9/100 (top 45% 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 Keystone?

Each dot is one of Keystone’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). Keystone’s own 10.2 claims/patent is at or below the 14.2 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Keystone's grants concentrate

Keystone Retaining Wall Systems, LLC is a focused PatentsView assignee: 14 CPC subclasses with 33.8% of grants classified under E04C (Structural ELEMENTS; Building Materials). Peak complete grant year is 2018 (15 grants) versus a trough of 1 in 2023. By volume, Keystone sits between Innate Pharma and Nanning FuLian FuGui Precision Industrial Co., Ltd..

Keystone's three-year grant acceleration

From 2019–2021 to 2022–2024, Keystone Retaining Wall Systems, LLC moved from 20 to 8 grants (0.40x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

Innate Pharma

74
Irwin Industrial…

74
Johnson Matthey

74
Kaohsiung Medical…

74
Luigi Lavazza S p…

74
Magnolia Medical

74
Molecular Devices

74
Nanning Fulian Fu…

74
Keystone Retainin… ◀

74

What this shows Keystone holds 74 patents at rank #4,725, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Keystone

By rank, the assignees closest to #4,725 in granted patent volume.

Leaders in E04C (Structural Elements)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Keystone, neither rank-band nor same-CPC leaders (those blocks stay above). In E04C (Structural Elements), Keystone ranks #7 of 492 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (37 here).

Qlogic Corporation 37 IML International 37 Crocus Technology Inc. 37 Wuxi Hisky Medical Technologies Co., Ltd. 37

Similar claim depth

Nearest assignees by average claims per patent (10.2 here).

Aselsan Elektronik Sanayi VE Ticaret Anonim Sirketi 10.2 avg Soken, Inc. 10.2 avg Kubota Corporation 10.2 avg The Yokohama Rubber Co., Ltd. 10.2 avg

Keystone's Innovation Score vs. every tracked assignee

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

37 Top 45% higher than 55% 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 · 2015–2025

Grants by year

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

View data table

Keystone Retaining Wall Systems, LLC patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	6	8.1%
2016	10	13.5%
2017	14	18.9%
2018	15	20.3%
2019	8	10.8%
2020	9	12.2%
2021	3	4.1%
2022	3	4.1%
2023	1	1.4%
2024	4	5.4%
2025partial year	1	1.4%

Which technologies does Keystone Retaining Wall Systems, LLC patent most?

E04C - Structural ELEMENTS; Building Materials 25

E02D - FOUNDATIONS; EXCAVATIONS; Embankments ; Underground OR Underwater Structures 25

E04B - General Building CONSTRUCTIONS; Walls, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; Insulation OR Other Protection OF Buildings 23

E01C - Construction OF, OR Surfaces FOR, Roads, Sports Grounds, OR THE LIKE; Machines OR Auxiliary Tools FOR Construction OR Repair 11

E04F - Finishing Work ON Buildings, e.g. Stairs, Floors 10

B28B - Shaping Clay OR Other Ceramic COMPOSITIONS; Shaping SLAG; Shaping Mixtures Containing Cementitious Material, e.g. Plaster 9

Y10T - Technical Subjects Covered BY Former US Classification 6

A01G - HORTICULTURE; Cultivation OF Vegetables, Flowers, Rice, Fruit, Vines, Hops OR SEAWEED; FORESTRY; Watering 4

Y02A - Technologies FOR Adaptation TO Climate Change 3

B28D - Working Stone OR Stone-like Materials 3

B44C - Producing Decorative Effects ; MOSAICS; Tarsia Work ; Paperhanging 2

B44F - Special Designs OR Pictures 2

E01F - Additional Work, Such AS Equipping Roads OR THE Construction OF Platforms, Helicopter Landing Stages, Signs, Snow Fences, OR THE Like 1

F24B - Domestic Stoves OR Ranges FOR Solid Fuels ; Implements FOR USE IN Connection With Stoves OR Ranges 1

Top 14 of 14 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

Keystone Retaining Wall Systems, LLC's patent record in context - here's where to go next.

Keystone Retaining Wall Systems, LLC's lead technology class is E04C (Structural ELEMENTS; Building Materials), 33.8% of its portfolio - see every assignee active in that class. Explore E04C
Ranked #4,725 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Keystone Retaining Wall Systems, LLC against Innate Pharma, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 36.9/100 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.