CPC technology class · B64

B64G - Cosmonautics

Cosmonautics; vehicles or equipment therefor. 2,994 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

Compiled by PlainPatent · May 15, 2026

2,994
US patents granted: #5/6
in B64: 5.1%
B64 class share: +46%
5-yr velocity

The verdict

According to USPTO PatentsView, Cosmonautics ranks #315 of 670 CPC technology areas - 2,994 US patents granted since 2015, with recorded grant volume up 46% over five years.

#315
of 670 CPC technology areas: 2,994
US patents granted, 2015–2025: The Boeing
leading assignee (317): +46%
grant velocity, last 5 yrs

How B64G's grant cadence moved

Between 2020–2024, B64G recorded 1,551 grants versus 1,062 in 2015–2019 (+46% equal-window velocity). Across complete years, output peaked in 2024 at 380 grants and bottomed in 2015 at 167 (+128% peak-over-trough). Lead assignee Airbus Defence AND Space SAS holds 2.9% of the class ; the top three share 7.5%.

Leaderboard read

B64G concentration, lead at 2.9%

Airbus Defence AND Space SAS leads this historical grant record at 2.9% of B64G - us corporation assignees hold 57% of class grants (860 of 1,502). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share: 2.9%
Top three share: 7.5%
Lead over #2: 17

Where B64G sits inside B64

Among 6 subclasses in B64 (AIRCRAFT; AVIATION; Cosmonautics), B64G ranks #5 and holds 5.1% of the parent class's 58,451 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

B64D 21,967 B64C 17,186 B64U 10,226 B64F 5,518 B64B 560

Rising assignees active in B64G

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 Bwxt Advanced Technologies LLC 24x 0 → 24 company-wide · 5 in B64G
#2 Sierra Space Corporation 16x 0 → 16 company-wide · 5 in B64G
#3 Maxar Space LLC 11x 3 → 32 company-wide · 36 in B64G
#4 Blue Origin, LLC 9.80x 5 → 49 company-wide · 37 in B64G
#5 Aerea S.P.A. 8.00x 1 → 8 company-wide · 5 in B64G

B64G grants by year, peak 2024 (380)

US utility-patent grants per year in B64G, 2015–2025 - recent five years are up 46% versus 2015–2019.

Airbus Defence And…

87
Thales

70
Space Systems/Loral

68
United States of…

63
Lockheed Martin

61
Northrop Grumman…

51
The Aerospace

37
Blue Origin

37
Maxar Space

36
Arianegroup Sas

33
Airbus Defence and…

32
United Launch…

32

What this shows The Boeing is the most active filer in B64G, holding 317 of the 2,994 patents in this class. Concentration at the top signals how contestable this technology area is for new entrants.

View data table

Top patent holders in CPC subclass B64G
Rank	Company	Patents in B64G
#1	Airbus Defence AND Space SAS	87
#2	Thales	70
#3	Space Systems/Loral, LLC	68
#4	United States of America as represented by the Administrator of NASA	63
#5	Lockheed Martin Corporation	61
#6	Northrop Grumman Systems Corporation	51
#7	THE Aerospace Corporation	37
#8	Blue Origin, LLC	37
#9	Maxar Space LLC	36
#10	ArianeGroup SAS	33
#11	Airbus Defence and Space GmbH	32
#12	United Launch Alliance, L.L.C.	32
#13	The United States of America as represented by the Administrator of the National Aeronautics and Space Administration	30
#14	Korea Aerospace Research Institute	26
#15	Centre National d'Études Spatiales	22
#16	Japan Aerospace Exploration Agency	16
#17	Aerojet Rocketdyne, Inc.	16
#18	MacDonald, Dettwiler and Associates Inc.	16
#19	Astrium SAS	15
#20	Trans Astronautica Corporation	15

Footprint here vs. claim strategy

Each dot is a leading B64G 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 B64G assignees by class footprint. Bubble size = patents in B64G. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near B64G's 2,994-grant footprint

Nationwide nearest neighbors for B64G (#315 of 670 by volume ; lead share 10.6%) - not the B64 parent-class siblings above.

Nearest by grant volume

A46B 2,997 C23F 2,985 B41F 2,980 G21K 3,019

Nearest by lead-assignee share

G04F 10.6% G03F 10.6% G02F 10.7% F02M 10.4%

Questions about B64G

Which company holds the most patents in B64G?

The Boeing Company leads B64G with 317 patents (2.9% of the subclass). By PatentsView assignee type, us corporations account for 57% of class grants.

Which B64G assignees grew fastest recently?

Among assignees with ≥5 grants in B64G, Bwxt Advanced Technologies LLC shows the highest company-wide grant multiple (24x: 0 grants in 2019–2021 → 24 in 2022–2024) while holding 5 patents in this subclass. Growth is company-wide, not class-only.

How does B64G compare inside parent class B64?

Inside B64 (AIRCRAFT; AVIATION; Cosmonautics), B64G ranks #5 of 6 subclasses by grant volume and holds 5.1% of the parent class total. The largest sibling is B64D (21,967 grants).

What to do with this data

B64G in context - here's where to go next.

Airbus Defence AND Space SAS leads B64G with 87 grants in this class. See full portfolio
B64G ranks #315 of 670 by grant volume among all tracked CPC technology areas. See the ranking
Inside parent class B64, the largest sibling subclass is B64D with 21,967 grants. Explore B64D

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

Methodology - B64G figures are USPTO PatentsView granted-utility totals for this subclass (2,994 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.