CPC technology class · B44

B44B - Machines

Machines, apparatus or tools for artistic work, e.g. for sculpturing, guilloching, carving, branding, inlaying. 274 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

274
US patents granted
#4/4
in B44
8.9%
B44 class share
+7%
5-yr velocity

The verdict

According to USPTO PatentsView, Machines ranks #587 of 670 CPC technology areas - 274 US patents granted since 2015, with recorded grant volume up 7% over five years.

#587
of 670 CPC technology areas
274
US patents granted, 2015–2025
Boegli-gravures
leading assignee (12)
+7%
grant velocity, last 5 yrs

How B44B's grant cadence moved

Between 2020–2024, B44B recorded 131 grants versus 122 in 2015–2019 (+7% equal-window velocity). Across complete years, output peaked in 2018 at 30 grants and bottomed in 2015 at 19 (+58% peak-over-trough). Lead assignee Boegli-gravures SA holds 4.4% of the class ; the top three share 11.3%.

Leaderboard read

B44B concentration, lead at 4.4%

Boegli-gravures SA leads this historical grant record at 4.4% of B44B - foreign corporation assignees hold 63% of class grants (82 of 130). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share
4.4%

12 of 274 grants

Top three share
11.3%

of the class's recorded grants

Lead over #2
2

more grants than My Sweet Petunia, Inc.

Where B44B sits inside B44

Among 4 subclasses in B44 (Decorative Arts), B44B ranks #4 and holds 8.9% of the parent class's 3,076 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

Rising assignees active in B44B

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 Hueck Rheinische GmbH 2.00x 3 → 6 company-wide · 6 in B44B
  2. #2 Boegli-gravures SA 1.50x 4 → 6 company-wide · 12 in B44B
  3. #3 Flooring Industies Limited, Sarl 1.20x 71 → 85 company-wide · 5 in B44B
  4. #4 Masonite Corporation 0.86x 98 → 84 company-wide · 9 in B44B
  5. #5 My Sweet Petunia, Inc. 0.75x 8 → 6 company-wide · 10 in B44B

B44B grants by year, peak 2018 (30)

US utility-patent grants per year in B44B, 2015–2025 - recent five years are up 7% versus 2015–2019.

1520253035 20152016201720182019202020212022202320242025 17

Who leads B44B?

The 12 most active assignees in Machines, Apparatus OR Tools FOR Artistic Work, e.g. FOR Sculpturing, Guilloching, Carving, Branding, Inlaying - wider bars mean more grants

patents

What this shows Boegli-gravures is the most active filer in B44B, holding 12 of the 274 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

Footprint here vs. claim strategy

Each dot is a leading B44B 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 B44B assignees by class footprint. Bubble size = patents in B44B. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 05101520 2468101214 Patents in B44B Avg claims / patent (company-wide) Boegli-gravuresMy Sweet PetuniaMasoniteCrayolaSchuler PressenHueck RheinischeFlooring Industies…Hewlett-packard…CricutSeirenSun Same EnterprisesEpochWilsonartParric Ningbo…
Top 14 B44B assignees by class footprint. Bubble size = patents in B44B. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Questions about B44B

Which company holds the most patents in B44B?
Boegli-gravures SA leads B44B with 12 patents (4.4% of the subclass). By PatentsView assignee type, foreign corporations account for 63% of class grants.
Which B44B assignees grew fastest recently?
Among assignees with ≥5 grants in B44B, Hueck Rheinische GmbH shows the highest company-wide grant multiple (2.00x: 3 grants in 2019–2021 → 6 in 2022–2024) while holding 6 patents in this subclass. Growth is company-wide, not class-only.
How does B44B compare inside parent class B44?
Inside B44 (Decorative Arts), B44B ranks #4 of 4 subclasses by grant volume and holds 8.9% of the parent class total. The largest sibling is B44C (1,788 grants).

What to do with this data

B44B in context - here's where to go next.

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

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.