CPC technology class · B03
B03B - Separating Solid Materials Using Liquids Or Using Pneumat…
Separating solid materials using liquids or using pneumatic tables or jigs. 658 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.
- 658
- US patents granted
- #2/3
- in B03
- 18.8%
- B03 class share
- +18%
- 5-yr velocity
The verdict
According to USPTO PatentsView, Separating Solid Materials Using Liquids Or Using Pneumat… ranks #510 of 670 CPC technology areas - 658 US patents granted since 2015, with recorded grant volume up 18% over five years.
- #510
- of 670 CPC technology areas
- 658
- US patents granted, 2015–2025
- Cidra Corporate Services
- leading assignee (19)
- +18%
- grant velocity, last 5 yrs
How B03B's grant cadence moved
Between 2020–2024, B03B recorded 306 grants versus 260 in 2015–2019 (+18% equal-window velocity). Across complete years, output peaked in 2024 at 73 grants and bottomed in 2015 at 41 (+78% peak-over-trough). Lead assignee Cidra Corporate Services LLC holds 2.9% of the class ; the top three share 7.1%.
Leaderboard read
B03B concentration, lead at 2.9%
Cidra Corporate Services LLC leads this historical grant record at 2.9% of B03B - us corporation assignees hold 52% of class grants (123 of 237). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.
- Leader's share
- 2.9%
- Top three share
- 7.1%
- Lead over #2
- 1
19 of 658 grants
of the class's recorded grants
more grants than CDE Global Limited
Where B03B sits inside B03
Among 3 subclasses in B03 (Separation OF Solid Materials Using Liquids OR Using Pneumatic Tables OR JIGS; Magnetic OR Electrostatic Separation OF Solid Materials From Solid Materials OR FLUIDS; Separation BY High-voltage Electr), B03B ranks #2 and holds 18.8% of the parent class's 3,493 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 B03B
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 SA Recycling LLC 5.00x 1 → 5 company-wide · 8 in B03B
- #2 ICM, Inc. 3.40x 5 → 17 company-wide · 6 in B03B
- #3 WM Intellectual Property Holdings, L.L.C. 2.73x 15 → 41 company-wide · 10 in B03B
- #4 Best Process Solutions, Inc. 2.00x 2 → 4 company-wide · 5 in B03B
- #5 CDE Global Limited 0.86x 7 → 6 company-wide · 18 in B03B
B03B grants by year, peak 2024 (73)
US utility-patent grants per year in B03B, 2015–2025 - recent five years are up 18% versus 2015–2019.
Who leads B03B?
The 12 most active assignees in Separating Solid Materials Using Liquids OR Using Pneumatic Tables OR Jigs - wider bars mean more grants
- Cidra Corporate…
Cidra Corporate Services LLC
19 patents
- Cde Global
CDE Global Limited
18 patents
- Wm Intellectual…
WM Intellectual Property Holdings, L.L.C.
10 patents
- Superior Industries
Superior Industries, Inc.
9 patents
- China University of…
China University of Mining and Technology
8 patents
- Recycling
SA Recycling LLC
8 patents
- Flsmidth A/S 6
FLSmidth A/S
6 patents
- Icm 6
ICM, Inc.
6 patents
- Tav Holdings 6
TAV Holdings, Inc.
6 patents
- Li-cycle 6
Li-Cycle Corp.
6 patents
- Organic Energy 6
Organic Energy Corporation
6 patents
- Daiki 5
Daiki Co., Ltd.
5 patents
What this shows Cidra Corporate… is the most active filer in B03B, holding 19 of the 658 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 B03B |
|---|---|---|
| #1 | Cidra Corporate Services LLC | 19 |
| #2 | CDE Global Limited | 18 |
| #3 | WM Intellectual Property Holdings, L.L.C. | 10 |
| #4 | Superior Industries, Inc. | 9 |
| #5 | China University of Mining and Technology | 8 |
| #6 | SA Recycling LLC | 8 |
| #7 | FLSmidth A/S | 6 |
| #8 | ICM, Inc. | 6 |
| #9 | TAV Holdings, Inc. | 6 |
| #10 | Li-Cycle Corp. | 6 |
| #11 | Organic Energy Corporation | 6 |
| #12 | Daiki Co., Ltd. | 5 |
| #13 | CP Manufacturing, Inc. | 5 |
| #14 | Newcastle Innovation Limited | 5 |
| #15 | Best Process Solutions, Inc. | 5 |
| #16 | Anglo American Services (UK) Ltd | 4 |
| #17 | M-I L.L.C. | 3 |
| #18 | FloDesign Sonics, Inc. | 3 |
| #19 | Guangdong Brunp Recycling Technology Co., Ltd. | 3 |
| #20 | Hunan Brunp Recycling Technology Co., Ltd. | 3 |
Footprint here vs. claim strategy
Each dot is a leading B03B 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.
Classes near B03B's 658-grant footprint
Nationwide nearest neighbors for B03B (#510 of 670 by volume ; lead share 2.9%) - not the B03 parent-class siblings above.
Questions about B03B
Which company holds the most patents in B03B?
Which B03B assignees grew fastest recently?
How does B03B compare inside parent class B03?
What to do with this data
B03B in context - here's where to go next.
- Cidra Corporate Services LLC leads B03B with 19 grants in this class. See full portfolio
- B03B ranks #510 of 670 by grant volume among all tracked CPC technology areas. See the ranking
- Inside parent class B03, the largest sibling subclass is B03C with 2,224 grants. Explore B03C
Figures reflect USPTO PatentsView grant data through 2026-05-15; pending applications not yet granted are not counted.
Methodology - B03B figures are USPTO PatentsView granted-utility totals for this subclass (658 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.