Where does Donaldson Company, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Donaldson Company, Inc. ranks #768 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 Donaldson Company, Inc. hold?

Donaldson Company, Inc. holds 597 US utility patents granted between 2015 and 2025, spanning 85 technology areas.

What is Donaldson Company, Inc.'s Innovation Score?

Donaldson Company, Inc. has an Innovation Score of 65.4 out of 100 (top 1% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Donaldson Company, Inc. focus on?

Donaldson Company, Inc.'s top technology area is B01D (Separation) with 515 patents, ranking #2 of 3,536 assignees active in that subclass. Grants appear in 85 CPC subclasses total.

Is Donaldson Company, Inc.'s patent grant rate increasing or decreasing?

Donaldson Company, Inc.'s recent grant velocity is +24% 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 Donaldson Company, Inc.'s patents?

Donaldson Company, Inc.'s patents average 19.4 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 Donaldson Company, Inc. 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

Donaldson Company, Inc.

USPTO PatentsView assignee record - 597 granted patents across 85 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: B01D (Separation).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Donaldson ranks #768 of 49,997 tracked US assignees by granted-patent volume, with 597 patents across 85 technology areas.

#768
of 49,997 US assignees by volume: Top 1%
by Innovation Score (65.4/100): 19.4
avg claims per patent: +24%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R768 · US Corporation #768 · 597 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-STRONG · CLAIMS-RICH · TYPE-USCORP · VEL-UP · BOOK-FULL

GRANTS-MID 597 grants
TOP-DECILE #768/49,997
PHOTO-FINISH Bio-Rad Laboratories
CPC-WIDE B01D · 85 areas
INNOV-STRONG 65.4/100
CLAIMS-RICH 19.4 claims/avg
TYPE-USCORP US Corporation
VEL-UP +24% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Bio-Rad Laboratories, 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.

How Donaldson’s 65.4 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 22.1 pts (34%) Velocity 6.7 pts (10%) Breadth 25.0 pts (38%) Claim depth 11.7 pts (18%)

Qualcomm Incorporated · highest

85
Tusimple · near

65
Columbia Insurance · near

65
Donaldson · this assignee

65
ExxonMobil Chemical… · near

65
Fresenius Medical… · near

65
3D Lighting… · lowest

7

What this shows Donaldson's Innovation Score is 65.4/100 (top 1% 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 Donaldson?

Each dot is one of Donaldson’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). Donaldson’s own 19.4 claims/patent is ABOVE the 12.5 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

How Donaldson's grant cadence moved

Between 2020–2024, Donaldson Company, Inc. received 297 grants versus 239 in 2015–2019 (+24% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2024 at 67 grants and bottomed in 2018 at 40. Lead class B01D accounts for 86.3% of the portfolio across 85 subclasses. Volume neighbours: Sunpower Corporation (#764) and Sanyo Electric Co., Ltd. (#772).

Donaldson's three-year grant acceleration

From 2019–2021 to 2022–2024, Donaldson Company, Inc. moved from 179 to 179 grants (1.00x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #1,187. See the growth leaderboard.

Sunpower

601
Vitesco

601
TDK Taiwan

598
Bio-rad Laborator…

597
Panasonic Liquid…

597
Donaldson ◀

597
Hunter Fan

594
Red Hat Israel

594
Sanyo Electric

594

What this shows Donaldson holds 597 patents at rank #768, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Donaldson

By rank, the assignees closest to #768 in granted patent volume.

Leaders in B01D (Separation)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Donaldson, neither rank-band nor same-CPC leaders (those blocks stay above). In B01D (Separation), Donaldson ranks #2 of 3,536 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (65 here).

Columbia Insurance Company 65 Tusimple, Inc. 65 Fresenius Medical Care Holdings, Inc. 65 ExxonMobil Chemical Patents Inc. 65

Similar claim depth

Nearest assignees by average claims per patent (19.4 here).

Digimarc Corporation 19.4 avg Synaptics Incorporated 19.4 avg Canon U.S.A., Inc. 19.4 avg Illuscio, Inc. 19.4 avg

Donaldson's Innovation Score vs. every tracked assignee

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

65 Top 1% higher than 99% 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

Donaldson Company, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	45	7.5%
2016	47	7.9%
2017	46	7.7%
2018	40	6.7%
2019	61	10.2%
2020	65	10.9%
2021	53	8.9%
2022	52	8.7%
2023	60	10.1%
2024	67	11.2%
2025partial year	61	10.2%

Which technologies does Donaldson Company, Inc. patent most?

B01D - Separation 515

F02M - Supplying Combustion Engines IN General With Combustible Mixtures OR Constituents Thereof 106

Y10T - Technical Subjects Covered BY Former US Classification 98

F01N - Gas-flow Silencers OR Exhaust Apparatus FOR Machines OR Engines IN GENERAL; Gas-flow Silencers OR Exhaust Apparatus FOR Internal-combustion Engines 37

B01F - Mixing, e.g. Dissolving, Emulsifying OR Dispersing 27

Y02T - Climate Change Mitigation Technologies Related TO Transportation 25

D04H - Making Textile Fabrics, e.g. From Fibres OR Filamentary Material ; Fabrics Made BY Such Processes OR Apparatus, e.g. Felts, Non-woven FABRICS; COTTON-WOOL; Wadding ; ; Non-woven Fabrics From Staple Fibres, Filaments OR Yarns, Bonded With AT Least ONE Web-like Material During Their Consolidation 20

Y10S - Technical Subjects Covered BY Former Uspc Cross-reference ART Collections [XRACs] AND Digests 17

F01M - Lubricating OF Machines OR Engines IN GENERAL; Lubricating Internal Combustion ENGINES; Crankcase Ventilating 16

D01D - Mechanical Methods OR Apparatus IN THE Manufacture OF Artificial Filaments, Threads, Fibres, Bristles OR Ribbons 15

B01J - Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus 14

F02C - Gas-turbine PLANTS; AIR Intakes FOR Jet-propulsion PLANTS; Controlling Fuel Supply IN Air-breathing Jet-propulsion Plants 14

Y02A - Technologies FOR Adaptation TO Climate Change 13

D01F - Chemical Features IN THE Manufacture OF Artificial Filaments, Threads, Fibres, Bristles OR RIBBONS; Apparatus Specially Adapted FOR THE Manufacture OF Carbon Filaments 13

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 10

Top 15 of 85 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

Donaldson Company, Inc.'s patent record in context - here's where to go next.

Donaldson Company, Inc.'s lead technology class is B01D (Separation), 86.3% of its portfolio - see every assignee active in that class. Explore B01D
Ranked #768 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Donaldson Company, Inc. against Sunpower Corporation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 65.4/100 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.