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%
- Top three share
- 11.3%
- Lead over #2
- 2
12 of 274 grants
of the class's recorded grants
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 Hueck Rheinische GmbH 2.00x 3 → 6 company-wide · 6 in B44B
- #2 Boegli-gravures SA 1.50x 4 → 6 company-wide · 12 in B44B
- #3 Flooring Industies Limited, Sarl 1.20x 71 → 85 company-wide · 5 in B44B
- #4 Masonite Corporation 0.86x 98 → 84 company-wide · 9 in B44B
- #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.
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
- Boegli-gravures
Boegli-gravures SA
12 patents
- My Sweet Petunia
My Sweet Petunia, Inc.
10 patents
- Masonite
Masonite Corporation
9 patents
- Crayola
Crayola LLC
7 patents
- Schuler Pressen
Schuler Pressen GMBH
7 patents
- Hueck Rheinische
Hueck Rheinische GmbH
6 patents
- Flooring Industies…
Flooring Industies Limited, Sarl
5 patents
- Hewlett-packard…
Hewlett-Packard Indigo B.V.
5 patents
- Cricut 4
Cricut, Inc.
4 patents
- Seiren 4
Seiren Co., Ltd.
4 patents
- Sun Same Enterprises 4
SUN Same Enterprises Co., Ltd.
4 patents
- Epoch 3
Epoch Company, Ltd.
3 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.
View data table
| Rank | Company | Patents in B44B |
|---|---|---|
| #1 | Boegli-gravures SA | 12 |
| #2 | My Sweet Petunia, Inc. | 10 |
| #3 | Masonite Corporation | 9 |
| #4 | Crayola LLC | 7 |
| #5 | Schuler Pressen GMBH | 7 |
| #6 | Hueck Rheinische GmbH | 6 |
| #7 | Flooring Industies Limited, Sarl | 5 |
| #8 | Hewlett-Packard Indigo B.V. | 5 |
| #9 | Cricut, Inc. | 4 |
| #10 | Seiren Co., Ltd. | 4 |
| #11 | SUN Same Enterprises Co., Ltd. | 4 |
| #12 | Epoch Company, Ltd. | 3 |
| #13 | Wilsonart LLC | 3 |
| #14 | Parric Ningbo Stationary and Gifts Mfg. Co., Ltd. | 3 |
| #15 | Crown Packaging Technology, Inc. | 2 |
| #16 | Shutterfly, LLC | 2 |
| #17 | WD Media, LLC | 2 |
| #18 | Flooring Technologies Ltd. | 2 |
| #19 | Tata Steel Limited | 2 |
| #20 | Trodat GmbH | 2 |
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.
Questions about B44B
Which company holds the most patents in B44B?
Which B44B assignees grew fastest recently?
How does B44B compare inside parent class B44?
What to do with this data
B44B in context - here's where to go next.
- Boegli-gravures SA leads B44B with 12 grants in this class. See full portfolio
- B44B ranks #587 of 670 by grant volume among all tracked CPC technology areas. See the ranking
- Inside parent class B44, the largest sibling subclass is B44C with 1,788 grants. Explore B44C
Figures reflect USPTO PatentsView grant data through 2026-05-15; pending applications not yet granted are not counted.
Methodology - B44B figures are USPTO PatentsView granted-utility totals for this subclass (274 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.