CPC technology class · F41

F41G - Weapon Sights

Weapon sights; aiming. 2,623 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

Compiled by PlainPatent · May 15, 2026

2,623
US patents granted: #3/7
in F41: 19.7%
F41 class share: -10%
5-yr velocity

The verdict

According to USPTO PatentsView, Weapon Sights ranks #343 of 670 CPC technology areas - 2,623 US patents granted since 2015, with recorded grant volume down 10% over five years.

#343
of 670 CPC technology areas: 2,623
US patents granted, 2015–2025: Raytheon
leading assignee (105): -10%
grant velocity, last 5 yrs

How F41G's grant cadence moved

Between 2020–2024, F41G recorded 1,127 grants versus 1,252 in 2015–2019 (-10% equal-window velocity). Across complete years, output peaked in 2019 at 302 grants and bottomed in 2022 at 193 (+56% peak-over-trough). Lead assignee Raytheon Company holds 4.0% of the class ; the top three share 9.7%.

Leaderboard read

F41G concentration, lead at 4.0%

Raytheon Company leads this historical grant record at 4.0% of F41G - us corporation assignees hold 78% of class grants (1,460 of 1,878). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share: 4.0%
Top three share: 9.7%
Lead over #2: 19

Where F41G sits inside F41

Among 7 subclasses in F41 (Weapons), F41G ranks #3 and holds 19.7% of the parent class's 13,338 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

F41A 3,993 F41H 2,723 F41C 1,639 F41B 1,581 F41J 473 F41F 306

Rising assignees active in F41G

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 Biofire Technologies Inc. 22x 0 → 22 company-wide · 9 in F41G
#2 Shadow Systems LLC 10x 1 → 10 company-wide · 5 in F41G
#3 EOTech, LLC 8.00x 2 → 16 company-wide · 11 in F41G
#4 Armaments Research Company, Inc. 5.67x 6 → 34 company-wide · 14 in F41G
#5 mb-microtec ag 5.00x 1 → 5 company-wide · 5 in F41G

F41G grants by year, peak 2019 (302)

US utility-patent grants per year in F41G, 2015–2025 - recent five years are down 10% versus 2015–2019.

Raytheon

105
Bae Systems Informatio…

86
Sheltered Wings

64
Sig Sauer

45
Leupold & Stevens

40
Wilcox Industries

33
Crosman

31
Cubic

30
Swarovski-optik & Kg

27
Hvrt

27
Aerovironment

25
Magpul Industries

25

What this shows Raytheon is the most active filer in F41G, holding 105 of the 2,623 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 F41G
Rank	Company	Patents in F41G
#1	Raytheon Company	105
#2	BAE Systems Information and Electronic Systems Integration Inc.	86
#3	Sheltered Wings, Inc.	64
#4	SIG Sauer Inc.	45
#5	Leupold & Stevens, Inc.	40
#6	Wilcox Industries Corp.	33
#7	Crosman Corporation	31
#8	Cubic Corporation	30
#9	Swarovski-Optik AG & Co KG.	27
#10	Hvrt Corp.	27
#11	AeroVironment, Inc.	25
#12	Magpul Industries Corp.	25
#13	Emissive Energy Corp.	24
#14	Sintai Optical (SHENZHEN) Co., Ltd.	22
#15	Crimson Trace Corporation	21
#16	Rosemount Aerospace Inc.	20
#17	Orbital Research Inc.	20
#18	TrackingPoint, Inc.	19
#19	Israel Aerospace Industries Ltd.	18
#20	Raytheon Canada Limited	18

Footprint here vs. claim strategy

Each dot is a leading F41G 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 F41G assignees by class footprint. Bubble size = patents in F41G. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near F41G's 2,623-grant footprint

Nationwide nearest neighbors for F41G (#343 of 670 by volume ; lead share 4.0%) - not the F41 parent-class siblings above.

Nearest by grant volume

F23D 2,623 H02B 2,655 F26B 2,656 G07D 2,578

Nearest by lead-assignee share

G05G 4.0% G02B 4.0% G21G 4.0% B44F 4.0%

Questions about F41G

Which company holds the most patents in F41G?

Raytheon Company leads F41G with 105 patents (4.0% of the subclass). By PatentsView assignee type, us corporations account for 78% of class grants.

Which F41G assignees grew fastest recently?

Among assignees with ≥5 grants in F41G, Biofire Technologies Inc. shows the highest company-wide grant multiple (22x: 0 grants in 2019–2021 → 22 in 2022–2024) while holding 9 patents in this subclass. Growth is company-wide, not class-only.

How does F41G compare inside parent class F41?

Inside F41 (Weapons), F41G ranks #3 of 7 subclasses by grant volume and holds 19.7% of the parent class total. The largest sibling is F41A (3,993 grants).

What to do with this data

F41G in context - here's where to go next.

Raytheon Company leads F41G with 105 grants in this class. See full portfolio
F41G ranks #343 of 670 by grant volume among all tracked CPC technology areas. See the ranking
Inside parent class F41, the largest sibling subclass is F41A with 3,993 grants. Explore F41A

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

Methodology - F41G figures are USPTO PatentsView granted-utility totals for this subclass (2,623 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.