Porous polytetrafluoroethylene membrane, and waterproof air-permeable membrane and waterproof air-permeable member including the same
US-11376554-B2 · Jul 5, 2022 · US
Producing membranes
Producing membranes · 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 | B29D99/005 |
| Official title | {Producing membranes} |
| Display label | Producing membranes |
| Total patents | 85 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 5 |
| 2017 | 9 |
| 2018 | 6 |
| 2019 | 7 |
| 2020 | 8 |
| 2021 | 10 |
| 2022 | 12 |
| 2023 | 10 |
| 2024 | 5 |
| 2025 | 1 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of manufacturing solid electrolyte membrane, method of manufacturing all-solid-state battery, apparatus for manufacturing solid electrolyte membrane, and apparatus for manufacturing all-solid-state battery
US-2022181703-A1 · Jun 9, 2022 · US
Polymeric Membrane Useful As A Commercial Roofing Membrane
US-2022055263-A1 · Feb 24, 2022 · US
Polymeric Membrane Useful As A Commercial Roofing Membrane
US-2022048231-A1 · Feb 17, 2022 · US
Air filter medium, air filter pack, and air filter unit
US-11213782-B2 · Jan 4, 2022 · US
Cosmetic pack and manufacturing method therefor
US-11167525-B2 · Nov 9, 2021 · US
Breathable and waterproof membrane and method for manufacturing the same, and breathable and waterproof fabric
US-2021331452-A1 · Oct 28, 2021 · US
Roll construction of laminated material and method for producing
US-2021328246-A1 · Oct 21, 2021 · US
Foam compositions and methods of making same
US-2021317279-A1 · Oct 14, 2021 · US
Method of producing bioabsorbable membrane
US-11110204-B2 · Sep 7, 2021 · US
Separators, batteries, systems, vehicles, and related methods
US-2021194091-A1 · Jun 24, 2021 · US
Polyolefin-based microporous films via sequential cold and hot stretching of unannealed polypropylene copolymer films
US-2021095110-A1 · Apr 1, 2021 · US
Fluorine-containing polycaprolactone film and preparation method therefor
US-2021079184-A1 · Mar 18, 2021 · US
Separators, batteries, systems, vehicles, and related methods
US-10944087-B2 · Mar 9, 2021 · US
Microporous membranes, battery separators, and methods for making and using the same
US-2021043903-A1 · Feb 11, 2021 · US
Method of producing bioabsorbable membrane and bioabsorbable membrane
US-2020360568-A1 · Nov 19, 2020 · US
Process for producing cellulose-nanofiber-filled microporous stretched polyolefin film, microporous cellulose-nanofiber composite film, and separator for non-aqueous secondary battery
US-10840491-B2 · Nov 17, 2020 · US
Method for welding membranes
US-2020353697-A1 · Nov 12, 2020 · US
Diaphragm, method for manufacturing same, and speaker using same
US-2020314575-A1 · Oct 1, 2020 · US
Porous polytetrafluoroethylene membrane, and waterproof air-permeable membrane and waterproof air-permeable member including the same
US-2020086282-A1 · Mar 19, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29D99/005?
- CPC B29D99/005 is the Cooperative Patent Classification code for “Producing membranes.”
- How many patents are filed under CPC B29D99/005 (Producing membranes)?
- Our database includes 85 publications tagged with this CPC code.
- Is patent activity under CPC B29D99/005 growing?
- Publication counts under this code: 5 in 2024 vs 1 in 2025 (latest complete years).