PlainPatent

CPC technology class · F04

F04D - Non-positive-displacement Pumps

Non-positive-displacement pumps. 16,174 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

16,174
US patents granted
#1/4
in F04
46.0%
F04 class share
+20%
5-yr velocity

The verdict

According to USPTO PatentsView, Non-positive-displacement Pumps ranks #118 of 670 CPC technology areas - 16,174 US patents granted since 2015, with recorded grant volume up 20% over five years.

#118
of 670 CPC technology areas
16,174
US patents granted, 2015–2025
General Electric
leading assignee (654)
+20%
grant velocity, last 5 yrs

How F04D's grant cadence moved

Between 2020–2024, F04D recorded 7,984 grants versus 6,644 in 2015–2019 (+20% equal-window velocity). Across complete years, output peaked in 2019 at 2,023 grants and bottomed in 2015 at 898 (+125% peak-over-trough). Lead assignee General Electric Company holds 4.0% of the class ; the top three share 10.0%.

Leaderboard read

F04D concentration, lead at 4.0%

General Electric Company leads this historical grant record at 4.0% of F04D - foreign corporation assignees hold 55% of class grants (6,279 of 11,399). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share
4.0%

654 of 16,174 grants

Top three share
10.0%

of the class's recorded grants

Lead over #2
42

more grants than United Technologies Corporation

Where F04D sits inside F04

Among 4 subclasses in F04 (Positive - Displacement Machines FOR LIQUIDS; Pumps FOR Liquids OR Elastic Fluids), F04D ranks #1 and holds 46.0% of the parent class's 35,173 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

F04B 11,585 F04C 6,508 F04F 906

Rising assignees active in F04D

Company-wide grant multiples (2022–2024 vs 2019–2021) among assignees with ≥5 patents in this subclass. Growth is company-wide; class patent counts are subclass-specific.

  1. #1 RTX Corporation 662x 0 → 662 company-wide · 64 in F04D
  2. #2 Doosan Enerbility Co., Ltd. 121x 0 → 121 company-wide · 5 in F04D
  3. #3 Collins Engine Nozzles, Inc. 74x 0 → 74 company-wide · 6 in F04D
  4. #4 Copeland LP 47x 0 → 47 company-wide · 14 in F04D
  5. #5 Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg 25x 0 → 25 company-wide · 11 in F04D

F04D grants by year, peak 2019 (2,023)

US utility-patent grants per year in F04D, 2015–2025 - recent five years are up 20% versus 2015–2019.

5001,0001,5002,0002,500 20152016201720182019202020212022202320242025 998

Who leads F04D?

The 12 most active assignees in Non-positive-displacement Pumps - wider bars mean more grants

patents

What this shows General Electric is the most active filer in F04D, holding 654 of the 16,174 patents in this class. Concentration at the top signals how contestable this technology area is for new entrants.

Source USPTO PatentsView, granted utility patents As of 2015–2025 grant years
View data table
Top patent holders in CPC subclass F04D
Rank Company Patents in F04D
#1 General Electric Company 654
#2 United Technologies Corporation 612
#3 Raytheon Technologies Corporation 357
#4 Safran Aircraft Engines 318
#5 Hamilton Sundstrand Corporation (HSC) 259
#6 Pratt & Whitney Canada Corp. 251
#7 Rolls-royce plc 244
#8 BorgWarner Inc. 188
#9 Mitsubishi Heavy Industries Compressor Corporation 181
#10 Nidec Corporation 163
#11 Delta Electronics, Inc. 158
#12 IHI Corporation 143
#13 Grundfos Holding A/S 136
#14 Snecma 132
#15 Rolls-Royce Corporation 125
#16 MTU Aero Engines AG 118
#17 Halliburton Energy Services, Inc. 116
#18 Edwards Japan Limited 116
#19 Dyson Technology Limited 112
#20 Asia Vital Components Co., Ltd. 111

Footprint here vs. claim strategy

Each dot is a leading F04D assignee, placed by how many patents it holds in this class (horizontal) against its company-wide average claims per patent (vertical) - a read on whether the class is led by broad-but-shallow filers or focused deep-claim players.

Top 14 F04D assignees by class footprint. Bubble size = patents in F04D. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 5101520 0200400600800 Patents in F04D Avg claims / patent (company-wide) General ElectricUnitedRaytheonSafran Aircraft…Hamilton Sundstrand…Pratt & Whitney CanadaRolls-royceBorgwarnerMitsubishi Heavy…NidecDeltaIhiGrundfos Holding A/SSnecma
Top 14 F04D assignees by class footprint. Bubble size = patents in F04D. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near F04D's 16,174-grant footprint

Nationwide nearest neighbors for F04D (#118 of 670 by volume ; lead share 4.0%) - not the F04 parent-class siblings above.

Nearest by grant volume

F02C 16,237 C22C 16,292 H02P 16,031 G01J 16,402

Nearest by lead-assignee share

B44F 4.0% D21C 4.1% F41G 4.0% G05G 4.0%

Questions about F04D

Which company holds the most patents in F04D?
General Electric Company leads F04D with 654 patents (4.0% of the subclass). By PatentsView assignee type, foreign corporations account for 55% of class grants.
Which F04D assignees grew fastest recently?
Among assignees with ≥5 grants in F04D, RTX Corporation shows the highest company-wide grant multiple (662x: 0 grants in 2019–2021 → 662 in 2022–2024) while holding 64 patents in this subclass. Growth is company-wide, not class-only.
How does F04D compare inside parent class F04?
Inside F04 (Positive - Displacement Machines FOR LIQUIDS; Pumps FOR Liquids OR Elastic Fluids), F04D ranks #1 of 4 subclasses by grant volume and holds 46.0% of the parent class total. The largest sibling is F04B (11,585 grants).

What to do with this data

F04D in context - here's where to go next.

  • General Electric Company leads F04D with 654 grants in this class. See full portfolio
  • F04D ranks #118 of 670 by grant volume among all tracked CPC technology areas. See the ranking
  • Inside parent class F04, the largest sibling subclass is F04B with 11,585 grants. Explore F04B

Figures reflect USPTO PatentsView grant data through 2026-05-15; pending applications not yet granted are not counted.

Methodology - F04D figures are USPTO PatentsView granted-utility totals for this subclass (16,174 grants in the tracked window).

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.