CPC technology class · F26

F26B - Drying Solid Materials Or Objects By Removing Liquid Ther…

Drying solid materials or objects by removing liquid therefrom. 2,656 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

2,656
US patents granted
#1/1
in F26
100.0%
F26 class share
-8%
5-yr velocity

The verdict

According to USPTO PatentsView, Drying Solid Materials Or Objects By Removing Liquid Ther… ranks #340 of 670 CPC technology areas - 2,656 US patents granted since 2015, with recorded grant volume down 8% over five years.

#340
of 670 CPC technology areas
2,656
US patents granted, 2015–2025
Lg
leading assignee (77)
-8%
grant velocity, last 5 yrs

How F26B's grant cadence moved

Between 2020–2024, F26B recorded 1,149 grants versus 1,247 in 2015–2019 (-8% equal-window velocity). Across complete years, output peaked in 2019 at 291 grants and bottomed in 2023 at 199 (+46% peak-over-trough). Lead assignee Screen Holdings Co., Ltd. holds 1.1% of the class ; the top three share 2.7%.

Leaderboard read

F26B concentration, lead at 1.1%

Screen Holdings Co., Ltd. leads this historical grant record at 1.1% of F26B - foreign corporation assignees hold 53% of class grants (543 of 1,031). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share
1.1%

29 of 2,656 grants

Top three share
2.7%

of the class's recorded grants

Lead over #2
5

more grants than Semes Co., Ltd.

Rising assignees active in F26B

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 Terumo BCT Biotechnologies, LLC 11x 1 → 11 company-wide · 9 in F26B
  2. #2 Eisenmann GMBH 8.00x 1 → 8 company-wide · 7 in F26B
  3. #3 Velico Medical Inc. 3.00x 3 → 9 company-wide · 19 in F26B
  4. #4 Clevertivity LLC 3.00x 0 → 3 company-wide · 8 in F26B
  5. #5 Semes Co., Ltd. 2.38x 114 → 271 company-wide · 24 in F26B

F26B grants by year, peak 2019 (291)

US utility-patent grants per year in F26B, 2015–2025 - recent five years are down 8% versus 2015–2019.

150200250300 20152016201720182019202020212022202320242025 157

Who leads F26B?

The 12 most active assignees in Drying Solid Materials OR Objects BY Removing Liquid Therefrom - wider bars mean more grants

patents

What this shows Lg is the most active filer in F26B, holding 77 of the 2,656 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 F26B 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 F26B assignees by class footprint. Bubble size = patents in F26B. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 5101520253035 51015202530 Patents in F26B Avg claims / patent (company-wide) Screen HoldingsSemesUsnrVelico MedicalReviveSpur ConceptsDyson TechnologyEisenmann SeGea Process Engineerin…Sukup ManufacturingEnwaveGala IndustiesDürr SystemsSpraying Systems
Top 14 F26B assignees by class footprint. Bubble size = patents in F26B. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near F26B's 2,656-grant footprint

Nationwide nearest neighbors for F26B (#340 of 670 by volume ; lead share 2.9%) - not the F26 parent-class siblings above.

Questions about F26B

Which company holds the most patents in F26B?
LG Electronics Inc. leads F26B with 77 patents (1.1% of the subclass). By PatentsView assignee type, foreign corporations account for 53% of class grants.
Which F26B assignees grew fastest recently?
Among assignees with ≥5 grants in F26B, Terumo BCT Biotechnologies, LLC shows the highest company-wide grant multiple (11x: 1 grants in 2019–2021 → 11 in 2022–2024) while holding 9 patents in this subclass. Growth is company-wide, not class-only.

What to do with this data

F26B 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.