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 filing trajectory.

16,174
US patents granted
F04
Parent CPC class
20
Active assignees
+35%
5-yr velocity

The verdict

Non-positive-displacement Pumps ranks #118 of 670 CPC technology areas - 16,174 US patents granted since 2015, with filing up 35% over five years.

#118
of 670 CPC technology areas
16,174
US patents granted, 2015–2025
General Electric
leading assignee (654)
+35%
filing velocity, last 5 yrs
Top assignee: General Electric Company (654 patents)

CPC subclass F04D - NON-POSITIVE-DISPLACEMENT PUMPS - covers 16,174 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class F04 (POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS). See our CPC classification guide for how the system works.

The competitive landscape in F04D is shaped by 20 distinct companies actively filing in this space. General Electric Company leads with 654 patents, followed by United Technologies Corporation at 612 grants and Raytheon Technologies Corporation at 357.

Filing activity in F04D is up 35% over the past five years versus 2015-2019, a sharp acceleration suggesting an emerging or fast-moving technology area. All counts come directly from USPTO PatentsView and reflect US granted utility patents only.

Is F04D innovation accelerating?

US utility-patent grants per year in F04D, 2015–2025 - recent five years are up 35% 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

About This Class

CPC subclass F04D belongs to class F04.

16,174 patents were granted in this class between 2015 and 2025.

20 companies actively patent in this space.

Classification System

Cooperative Patent Classification (CPC) is a hierarchical patent classification system used by the USPTO and EPO.

← All Technology Classes Technology Rankings →

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).

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 Engin…Hamilton Sundstrand (…Pratt & Whitney CanadaRolls-royceBorgwarnerMitsubishi Heavy Indu…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).

Frequently Asked Questions

What is CPC class F04D?
CPC subclass F04D covers NON-POSITIVE-DISPLACEMENT PUMPS. It belongs to CPC class F04 (POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS), with 16,174 US utility patents granted since 2015.
How many patents have been filed in F04D?
16,174 US utility patents were granted in CPC subclass F04D between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in F04D?
General Electric Company leads F04D with 654 patents, making it the most active assignee in this technology area.
How is patent data for F04D collected?
Patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office. It covers all US granted utility patents and assigns CPC codes based on the technology described in each patent.
What is the difference between CPC class and subclass?
A CPC class (e.g., F04) is a broad technology category. Subclasses like F04D provide finer granularity within that category. PlainPatent organizes data at the subclass level (4-character codes) for the most useful view of technology domains.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent Editorial

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.