Installation for an aircraft, having a tank delimiting a volume with a high point and an element containing dihydrogen
US-2026048850-A1 · Feb 19, 2026 · US
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Leakage
Leakage · 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 | B01J2219/00256 |
| Official title | Leakage |
| Display label | Leakage |
| Total patents | 22 |
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 | 2 |
| 2016 | 4 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compartmentalized oligomerization reactor
US-11638905-B2 · May 2, 2023 · US
Detecting and correcting problems in liquid lifting in heat exchangers
US-11396002-B2 · Jul 26, 2022 · US
Creep and cascade failure mitigation in heat pipe reactors
US-11270802-B1 · Mar 8, 2022 · US
Metallocene catalyst feed system for solution polymerization process
US-11213798-B2 · Jan 4, 2022 · US
Flow reactor
US-11071965-B2 · Jul 27, 2021 · US
Compartmentalized oligomerization reactor
US-2020376460-A1 · Dec 3, 2020 · US
Flow reactor
US-2020139339-A1 · May 7, 2020 · US
Metallocene Catalyst Feed System for Solution Polymerization Process
US-2019247821-A1 · Aug 15, 2019 · US
High-pressure polymerization process of ethylenically unsaturated monomers in a production line having flanges covered by a chimney construction
US-10358510-B2 · Jul 23, 2019 · US
Detecting and correcting fouling in heat exchangers
US-10328408-B2 · Jun 25, 2019 · US
High-pressure polymerization process of ethylenically unsaturated monomers in a production line having flanges covered by a chimney construction
US-2019177447-A1 · Jun 13, 2019 · US
Detecting and correcting fouling in heat exchangers
US-2018283818-A1 · Oct 4, 2018 · US
Detecting and correcting problems in liquid lifting in heat exchangers
US-2018280914-A1 · Oct 4, 2018 · US
Method for producing peroxymonosulfuric acid and apparatus for continuously producing peroxymonosulfuric acid
US-9988269-B2 · Jun 5, 2018 · US
System and method for seal flush
US-9776158-B2 · Oct 3, 2017 · US
Method for manufacturing a tube sheet and heat exchanger assembly for a pool reactor or pool condenser; corresponding tube sheet and heat exchanger assembly
US-9435589-B2 · Sep 6, 2016 · US
System and method for seal flush
US-2016228843-A1 · Aug 11, 2016 · US
System and method for seal flush
US-9321026-B2 · Apr 26, 2016 · US
Method for producing peroxymonosulfuric acid and apparatus for continuously producing peroxymonosulfuric acid
US-2016046490-A1 · Feb 18, 2016 · US