Filter alignment device
US-10159919-B2 · Dec 25, 2018 · US
Specific tightening or locking mechanisms
Specific tightening or locking mechanisms · 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 | B01D2313/02 |
| Official title | Specific tightening or locking mechanisms |
| Display label | Specific tightening or locking mechanisms |
| Total patents | 148 |
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 | 14 |
| 2016 | 16 |
| 2017 | 19 |
| 2018 | 15 |
| 2019 | 17 |
| 2020 | 12 |
| 2021 | 10 |
| 2022 | 13 |
| 2023 | 10 |
| 2024 | 16 |
| 2025 | 3 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hollow fibre membrane module, manufacturing method therefor, header apparatus for hollow fibre membrane module and hollow fibre membrane restraining apparatus
US-10155202-B2 · Dec 18, 2018 · US
Device and method for positioning a detonator within a perforating gun assembly
US-2018318770-A1 · Nov 8, 2018 · US
Membrane separation device
US-10106440-B2 · Oct 23, 2018 · US
Gas separation membrane module and method for gas separation
US-2018221812-A1 · Aug 9, 2018 · US
Reverse osmosis push filter with floating key lock
US-10040703-B2 · Aug 7, 2018 · US
Separation membrane module, method for driving same, separation membrane element, thrust load maintaining member, and thrust load adjustment maintaining member
US-9993776-B2 · Jun 12, 2018 · US
Antitelescoping device and clamp for spiral wound modules comprising a vent
US-9925498-B2 · Mar 27, 2018 · US
Air-separation device, inerting device and aircraft comprising such a device
US-9901867-B2 · Feb 27, 2018 · US
Cartridge type hollow fiber membrane module
US-9895664-B2 · Feb 20, 2018 · US
Submerged membrane separator and membrane cartridge
US-9878290-B2 · Jan 30, 2018 · US
Tube end connector and zeolite separation membrane element
US-9822917-B2 · Nov 21, 2017 · US
Pressurized-type hollow fiber membrane module and filtration system comprising the same
US-9808766-B2 · Nov 7, 2017 · US
Fluid treatment assemblies
US-9802161-B2 · Oct 31, 2017 · US
Cartridge type hollow fiber membrane module
US-9795923-B2 · Oct 24, 2017 · US
Filtration module and method for producing same
US-2017266590-A1 · Sep 21, 2017 · US
Membrane securement device
US-9764289-B2 · Sep 19, 2017 · US
Modular filtration platform
US-2017259196-A1 · Sep 14, 2017 · US
Reverse osmosis push filter
US-D795390-S · Aug 22, 2017 · US
Gas separation membrane module and gas separation method
US-9718023-B2 · Aug 1, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2313/02?
- CPC B01D2313/02 is the Cooperative Patent Classification code for “Specific tightening or locking mechanisms.”
- How many patents are filed under CPC B01D2313/02 (Specific tightening or locking mechanisms)?
- Our database includes 148 publications tagged with this CPC code.
- Is patent activity under CPC B01D2313/02 growing?
- Publication counts under this code: 16 in 2024 vs 3 in 2025 (latest complete years).