PlainPatent

CPC technology class · B68

B68G - Methods

Methods, equipment, or machines for use in upholstering; upholstery not otherwise provided for. 357 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

357
US patents granted
#1/4
in B68
76.0%
B68 class share
+25%
5-yr velocity

The verdict

According to USPTO PatentsView, Methods ranks #573 of 670 CPC technology areas - 357 US patents granted since 2015, with recorded grant volume up 25% over five years.

#573
of 670 CPC technology areas
357
US patents granted, 2015–2025
Steelcase
leading assignee (32)
+25%
grant velocity, last 5 yrs

How B68G's grant cadence moved

Between 2020–2024, B68G recorded 176 grants versus 141 in 2015–2019 (+25% equal-window velocity). Across complete years, output peaked in 2020 at 55 grants and bottomed in 2017 at 20 (+175% peak-over-trough). Lead assignee Steelcase Inc. holds 9.0% of the class ; the top three share 23.8%.

Leaderboard read

B68G concentration, lead at 9.0%

Steelcase Inc. leads this historical grant record at 9.0% of B68G - us corporation assignees hold 57% of class grants (129 of 225). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share
9.0%

32 of 357 grants

Top three share
23.8%

of the class's recorded grants

Lead over #2
1

more grants than L&P Property Management Company

Where B68G sits inside B68

Among 4 subclasses in B68 (SADDLERY; Upholstery), B68G ranks #1 and holds 76.0% of the parent class's 470 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

B68C 67 B68B 40 B68F 6

Rising assignees active in B68G

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 Spühl GmbH 3.50x 2 → 7 company-wide · 9 in B68G
  2. #2 Atlanta Attachment Company 2.00x 2 → 4 company-wide · 5 in B68G
  3. #3 Purple Innovation, LLC 1.43x 21 → 30 company-wide · 6 in B68G
  4. #4 TS Tech Co., Ltd. 1.03x 206 → 213 company-wide · 8 in B68G
  5. #5 Steelcase Inc. 0.74x 202 → 150 company-wide · 32 in B68G

B68G grants by year, peak 2020 (55)

US utility-patent grants per year in B68G, 2015–2025 - recent five years are up 25% versus 2015–2019.

102030405060 20152016201720182019202020212022202320242025 25

Who leads B68G?

The 12 most active assignees in Methods, Equipment, OR Machines FOR USE IN UPHOLSTERING; Upholstery NOT Otherwise Provided FOR - wider bars mean more grants

patents

What this shows Steelcase is the most active filer in B68G, holding 32 of the 357 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
Top patent holders in CPC subclass B68G
Rank Company Patents in B68G
#1 Steelcase Inc. 32
#2 L&P Property Management Company 31
#3 Tachi-s Co., Ltd. 22
#4 YKK Corporation 18
#5 Dreamwell, Ltd. 13
#6 Spühl GmbH 9
#7 TS Tech Co., Ltd. 8
#8 Purple Innovation, LLC 6
#9 Atlanta Attachment Company 5
#10 Harrison Spinks Components Limited 5
#11 Ashley Furniture Industries, LLC 4
#12 Guangzhou Lianrou Machinery & Equipment Co., Ltd. 4
#13 Primaloft, Inc. 4
#14 Haworth, Inc. 3
#15 Sealy Technology LLC 3
#16 Delta Kogyo Co., Ltd. 3
#17 The Lovesac Company 3
#18 Cascade Designs, Inc. 3
#19 Starsprings AB 3
#20 Wolverine Outdoors, Inc. 2

Footprint here vs. claim strategy

Each dot is a leading B68G 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 B68G assignees by class footprint. Bubble size = patents in B68G. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 510152025 010203040 Patents in B68G Avg claims / patent (company-wide) SteelcaseL&P Property…Tachi-sYkkDreamwellSpühlTs TechPurple InnovationAtlanta AttachmentHarrison Spinks…Ashley Furniture…Guangzhou Lianrou…PrimaloftHaworth
Top 14 B68G assignees by class footprint. Bubble size = patents in B68G. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Questions about B68G

Which company holds the most patents in B68G?
Steelcase Inc. leads B68G with 32 patents (9.0% of the subclass). By PatentsView assignee type, us corporations account for 57% of class grants.
Which B68G assignees grew fastest recently?
Among assignees with ≥5 grants in B68G, Spühl GmbH shows the highest company-wide grant multiple (3.50x: 2 grants in 2019–2021 → 7 in 2022–2024) while holding 9 patents in this subclass. Growth is company-wide, not class-only.
How does B68G compare inside parent class B68?
Inside B68 (SADDLERY; Upholstery), B68G ranks #1 of 4 subclasses by grant volume and holds 76.0% of the parent class total. The largest sibling is B68C (67 grants).

What to do with this data

B68G 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.

Methodology - B68G figures are USPTO PatentsView granted-utility totals for this subclass (357 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.