Where does BWA Water Additives UK Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), BWA Water Additives UK Limited ranks #45,396 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 BWA Water Additives UK Limited hold?

BWA Water Additives UK Limited holds 5 US utility patents granted between 2018 and 2020, spanning 8 technology areas.

What is BWA Water Additives UK Limited's Innovation Score?

BWA Water Additives UK Limited has an Innovation Score of 26.3 out of 100 (20th 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 BWA Water Additives UK Limited focus on?

BWA Water Additives UK Limited's top technology area is C02F (Treatment OF Water, Waste Water, Sewage, OR Sludge) with 4 patents, ranking #402 of 1,366 assignees active in that subclass. Grants appear in 8 CPC subclasses total.

Is BWA Water Additives UK Limited's patent grant rate increasing or decreasing?

BWA Water Additives UK Limited's recent grant velocity is -75% 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 BWA Water Additives UK Limited's patents?

BWA Water Additives UK Limited's patents average 16.8 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 BWA Water Additives UK Limited 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

BWA Water Additives UK Limited

USPTO PatentsView assignee record - 5 granted patents across 8 technology areas, recorded in grant years 2018–2020. 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: C02F (Treatment OF Water, Waste Water, Sewage, OR Sludge).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, BWA ranks #45,396 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 8 technology areas.

#45,396
of 49,997 US assignees by volume: 20th percentile
by Innovation Score (26.3/100): 16.8
avg claims per patent: -75%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R45396 · Foreign Corporation #45,396 · 5 grants

GRANTS-MICRO · BOTTOM-DECILE · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 5 grants
BOTTOM-DECILE #45,396/49,997
PHOTO-FINISH BackOffice Associates
CPC-NARROW C02F · 8 areas
INNOV-THIN 26.3/100
CLAIMS-RICH 16.8 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -75% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: BackOffice Associates, 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 BWA’s 26.3 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 6.2 pts (24%) Velocity 0.0 pts (0%) Breadth 10.0 pts (38%) Claim depth 10.1 pts (38%)

Qualcomm Incorporated · highest

85
BWA Water Additives UK · this assignee

26
3D Lighting… · lowest

7

What this shows BWA's Innovation Score is 26.3/100 (20th 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 BWA?

Each dot is one of BWA’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). BWA’s own 16.8 claims/patent is ABOVE the 11.6 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where BWA's grants concentrate

BWA Water Additives UK Limited is a focused PatentsView assignee: 8 CPC subclasses with 80% of grants classified under C02F (Treatment OF Water, Waste Water, Sewage, OR Sludge). Peak complete grant year is 2018 (2 grants) versus a trough of 1 in 2020. By volume, BWA sits between Bunka Shutter Co., Ltd. and Baker Group, LLP.

Bunka Shutter

5
Burger King

5
Burgopak

5
Buzzinbees

5
BWT Beijing

5
Backoffice Associ…

5
Baidu Online Netw…

5
Baker Group LLP

5
BWA Water Additiv… ◀

5

What this shows BWA holds 5 patents at rank #45,215, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near BWA

By rank, the assignees closest to #45,215 in granted patent volume.

Leaders in C02F (Treatment OF Water)

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

BWA's Innovation Score vs. every tracked assignee

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

26 20th percentile higher than 20% 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 · 2018–2020

Grants by year

Teal-shaded recent years (2020–present) versus the 2018–2019 baseline. Full figures in the table below.

View data table

BWA Water Additives UK Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2018	2	40.0%
2019	2	40.0%
2020	1	20.0%

Which technologies does BWA Water Additives UK Limited patent most?

C02F - Treatment OF Water, Waste Water, Sewage, OR Sludge 4

A01N - Preservation OF Bodies OF Humans OR Animals OR Plants OR Parts Thereof ; Biocides, e.g. AS Disinfectants, AS Pesticides OR AS Herbicides ; Pest Repellants OR ATTRACTANTS; Plant Growth Regulators 4

A61L - Methods OR Apparatus FOR Sterilising Materials OR Objects IN GENERAL; Disinfection, Sterilisation OR Deodorisation OF AIR; Chemical Aspects OF Bandages, Dressings, Absorbent Pads OR Surgical ARTICLES; Materials FOR Bandages, Dressings, Absorbent Pads OR Surgical Articles 1

D21H - Pulp COMPOSITIONS; Preparation Thereof NOT Covered BY Subclasses D21c OR D21D; Impregnating OR Coating OF PAPER; Treatment OF Finished Paper NOT Covered BY Class B31 OR Subclass D21G; Paper NOT Otherwise Provided FOR 1

F28F - Details OF Heat-exchange AND Heat-transfer Apparatus, OF General Application 1

D21C - Production OF Cellulose BY Removing Non-cellulose Substances From Cellulose-containing MATERIALS; Regeneration OF Pulping LIQUORS; Apparatus Therefor 1

C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere 1

E21B - Earth OR Rock DRILLING; Obtaining OIL, GAS, Water, Soluble OR Meltable Materials OR A Slurry OF Minerals From Wells 1

Top 8 of 8 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

BWA Water Additives UK Limited's patent record in context - here's where to go next.

BWA Water Additives UK Limited's lead technology class is C02F (Treatment OF Water, Waste Water, Sewage, OR Sludge), 80% of its portfolio - see every assignee active in that class. Explore C02F
Ranked #45,396 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare BWA Water Additives UK Limited against Bunka Shutter Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 26.3/100 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.