Method and apparatus for multiple recirculation and filtration cycles per dispense in a photoresist dispense system
US-2020348596-A1 · Nov 5, 2020 · US
Processes of filtration (processes specially adapted for filtering gases B01D46/00)
Processes of filtration (processes specially adapted for filtering gases B01D46/00) · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D37/00 |
| Official title | Processes of filtration (processes specially adapted for filtering gases B01D46/00) |
| Display label | Processes of filtration (processes specially adapted for filtering gases B01D46/00) |
| Total patents | 147 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 12 |
| 2017 | 15 |
| 2018 | 11 |
| 2019 | 9 |
| 2020 | 10 |
| 2021 | 14 |
| 2022 | 10 |
| 2023 | 18 |
| 2024 | 19 |
| 2025 | 16 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Plant extract compositions and methods of preparation thereof
US-10517310-B2 · Dec 31, 2019 · US
Air analyzer, treatment and peer networking apparatus
US-10503180-B2 · Dec 10, 2019 · US
Fluid synthesis system
US-2019338174-A1 · Nov 7, 2019 · US
Combustion of streams derived from hot water extraction of wood material
US-2019309474-A1 · Oct 10, 2019 · US
System and methods for removing impurities from phosphogypsum and manufacturing gypsum binders and products
US-10384953-B2 · Aug 20, 2019 · US
Electronic Filter Detection Feature for Liquid Filtration Systems
US-2019120157-A1 · Apr 25, 2019 · US
Method for retaining demineralized bone matrix particles
US-10232084-B1 · Mar 19, 2019 · US
Shaker screen assembly
US-10214978-B2 · Feb 26, 2019 · US
Electronic filter detection feature for liquid filtration systems
US-10184415-B2 · Jan 22, 2019 · US
Fuel filter system with water emulsifier
US-2018274505-A1 · Sep 27, 2018 · US
Nanotube solutions with high concentration and low contamination and methods for purifiying nanotube solutions
US-10069072-B2 · Sep 4, 2018 · US
Method and apparatus for increased recirculation and filtration in a photoresist dispense system using a liquid empty reservoir
US-10048587-B2 · Aug 14, 2018 · US
Air analyzer, treatment and peer networking apparatus
US-2018217616-A1 · Aug 2, 2018 · US
Protein Separations Using An Acrylamide Containing Filter
US-2018208624-A1 · Jul 26, 2018 · US
Filter media suitable for hydraulic applications
US-10022657-B2 · Jul 17, 2018 · US
System and methods for removing impurities from phosphogypsum and manufacturing gypsum binders and products
US-2018170766-A1 · Jun 21, 2018 · US
Beach detection sensors for vibratory separator
US-10001464-B2 · Jun 19, 2018 · US
Filter device and method for filtering a suspension
US-9968871-B2 · May 15, 2018 · US
Protein separations using an acrylamide containing filter
US-9951101-B2 · Apr 24, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D37/00?
- CPC B01D37/00 is the Cooperative Patent Classification code for “Processes of filtration (processes specially adapted for filtering gases B01D46/00).”
- How many patents are filed under CPC B01D37/00 (Processes of filtration (processes specially adapted for filtering gases B01D46/00))?
- Our database includes 147 publications tagged with this CPC code.
- Is patent activity under CPC B01D37/00 growing?
- Publication counts under this code: 19 in 2024 vs 16 in 2025 (latest complete years).