CPC technology class · F24

F24B - Domestic Stoves Or Ranges For Solid Fuels

Domestic stoves or ranges for solid fuels ; implements for use in connection with stoves or ranges. 409 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

Compiled by PlainPatent · May 15, 2026

409
US patents granted: #7/8
in F24: 1.5%
F24 class share: +71%
5-yr velocity

The verdict

According to USPTO PatentsView, Domestic Stoves Or Ranges For Solid Fuels ranks #556 of 670 CPC technology areas - 409 US patents granted since 2015, with recorded grant volume up 71% over five years.

#556
of 670 CPC technology areas: 409
US patents granted, 2015–2025: Solo Brands
leading assignee (29): +71%
grant velocity, last 5 yrs

How F24B's grant cadence moved

Between 2020–2024, F24B recorded 224 grants versus 131 in 2015–2019 (+71% equal-window velocity). Across complete years, output peaked in 2023 at 50 grants and bottomed in 2015 at 19 (+163% peak-over-trough). Lead assignee Solo Brands, LLC holds 7.1% of the class ; the top three share 12.7%.

Leaderboard read

F24B concentration, lead at 7.1%

Solo Brands, LLC leads this historical grant record at 7.1% of F24B - us corporation assignees hold 74% of class grants (175 of 237). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share: 7.1%
Top three share: 12.7%
Lead over #2: 17

Where F24B sits inside F24

Among 8 subclasses in F24 (HEATING; RANGES; Ventilating), F24B ranks #7 and holds 1.5% of the parent class's 27,261 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

F24F 14,049 F24C 3,868 F24S 3,307 F24H 2,950 F24D 2,041 F24T 436 F24V 201

Rising assignees active in F24B

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 Solo Brands, LLC 43x 0 → 43 company-wide · 29 in F24B
#2 Dansons US, LLC 12x 0 → 12 company-wide · 6 in F24B
#3 Breeo, LLC 3.25x 8 → 26 company-wide · 5 in F24B
#4 Modern Flames, LLC. 2.00x 2 → 4 company-wide · 6 in F24B
#5 Weber-Stephen Products LLC 1.64x 52 → 85 company-wide · 12 in F24B

F24B grants by year, peak 2023 (50)

US utility-patent grants per year in F24B, 2015–2025 - recent five years are up 71% versus 2015–2019.

Solo Brands

29
Weber-stephen Products

12
Traeger Pellet Grills

11
The Cashmere Caveman…

10
Innovative Hearth…

8
W C Bradley

7
Ningbo Richen…

7
Travis Industries

7
Dansons Us

6
Modern Flames

6
Ten Wing Scientific

6
Original Pellet Grill

6

What this shows Solo Brands is the most active filer in F24B, holding 29 of the 409 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 F24B
Rank	Company	Patents in F24B
#1	Solo Brands, LLC	29
#2	Weber-Stephen Products LLC	12
#3	Traeger Pellet Grills, LLC	11
#4	The Cashmere Caveman Co, Wild Kitchens Limited	10
#5	Innovative Hearth Products, LLC	8
#6	W.C. Bradley Co.	7
#7	Ningbo Richen Electrical Appliance Co., Ltd	7
#8	Travis Industries, Inc.	7
#9	Dansons US, LLC	6
#10	Modern Flames, LLC.	6
#11	Ten Wing Scientific Co., Ltd.	6
#12	Original Pellet Grill Company LLC	6
#13	FPI Fireplace Products International Ltd.	6
#14	Breeo, LLC	5
#15	Lamplight Farms Incorporated	5
#16	Living Style (B.V.I.) Limited	5
#17	Mr. Bar-B-Q Products LLC	4
#18	Dong Guan Song WEI Electric Technology Co., Ltd.	4
#19	Logan Outdoor Products, LLC	4
#20	BioLite, Inc.	4

Footprint here vs. claim strategy

Each dot is a leading F24B 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 F24B assignees by class footprint. Bubble size = patents in F24B. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Questions about F24B

Which company holds the most patents in F24B?

Solo Brands, LLC leads F24B with 29 patents (7.1% of the subclass). By PatentsView assignee type, us corporations account for 74% of class grants.

Which F24B assignees grew fastest recently?

Among assignees with ≥5 grants in F24B, Solo Brands, LLC shows the highest company-wide grant multiple (43x: 0 grants in 2019–2021 → 43 in 2022–2024) while holding 29 patents in this subclass. Growth is company-wide, not class-only.

How does F24B compare inside parent class F24?

Inside F24 (HEATING; RANGES; Ventilating), F24B ranks #7 of 8 subclasses by grant volume and holds 1.5% of the parent class total. The largest sibling is F24F (14,049 grants).

What to do with this data

F24B in context - here's where to go next.

Solo Brands, LLC leads F24B with 29 grants in this class. See full portfolio
F24B ranks #556 of 670 by grant volume among all tracked CPC technology areas. See the ranking
Inside parent class F24, the largest sibling subclass is F24F with 14,049 grants. Explore F24F

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

Methodology - F24B figures are USPTO PatentsView granted-utility totals for this subclass (409 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.