Combustion chamber with cooling passage in fastener arrangement joining inner and outer walls
US-9518737-B2 · Dec 13, 2016 · US
Washers or equivalent devices; Other devices for supporting bolt-heads or nuts (circlips F16B21/18; {for indicating tensile load F16B31/02; forming a whole with the bolt or nut F16B33/00; locking bolts or nuts by means of a fixed plate or ring, or washer-like resilient plates F16B39/10, F16B39/24})
Washers or equivalent devices; Other devices for supporting bolt-heads or nuts (circlips F16B21/18; {for indicating tensile load F16B31/02; forming a whole with the bolt or nut F16B33/00; locking bolts or nuts by means of a fixed plate or ring, or washer-like resilient plates F16B39/10, F16B39/24}) · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16B43/00 |
| Official title | Washers or equivalent devices; Other devices for supporting bolt-heads or nuts (circlips F16B21/18; {for indicating tensile load F16B31/02; forming a whole with the bolt or nut F16B33/00; locking bolts or nuts by means of a fixed plate or ring, or washer-like resilient plates F16B39/10, F16B39/24}) |
| Display label | Washers or equivalent devices; Other devices for supporting bolt-heads or nuts (circlips F16B21/18; {for indicating tensile load F16B31/02; forming a whole with the bolt or nut F16B33/00; locking bolts or nuts by means of a fixed plate or ring, or washer-like resilient plates F16B39/10, F16B39/24}) |
| Total patents | 522 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 34 |
| 2016 | 44 |
| 2017 | 31 |
| 2018 | 46 |
| 2019 | 57 |
| 2020 | 66 |
| 2021 | 47 |
| 2022 | 52 |
| 2023 | 48 |
| 2024 | 50 |
| 2025 | 41 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compression limiter
US-2016356291-A1 · Dec 8, 2016 · US
Bonding washer
US-2016356303-A1 · Dec 8, 2016 · US
Pin and retainer locking system
US-2016348712-A1 · Dec 1, 2016 · US
High temperature secondary torque retention for bolted assemblies
US-9494181-B2 · Nov 15, 2016 · US
Quad-tab u-washer
US-2016290166-A1 · Oct 6, 2016 · US
Insulated reinforced foam sheathing, reinforced vapor permeable air barrier foam panel and method of making and using same
US-2016273221-A1 · Sep 22, 2016 · US
Bushing retention of threaded fastener
US-2016265577-A1 · Sep 15, 2016 · US
Method of using a retention clip to close hardware
US-9441663-B2 · Sep 13, 2016 · US
Swaged collar and swaged nut
US-2016258470-A1 · Sep 8, 2016 · US
Sheet metal element having a hole, sheet metal part and component assembly as well as manufacturing method
US-2016252118-A1 · Sep 1, 2016 · US
Systems and methods for joining components by heat staking
US-2016250804-A1 · Sep 1, 2016 · US
Washer of a combustion chamber tile of a gas turbine
US-9422830-B2 · Aug 23, 2016 · US
Sprung washer and fixing device
US-9382938-B2 · Jul 5, 2016 · US
Vibration isolation structure, and shield provided with vibration isolation structure
US-2016186833-A1 · Jun 30, 2016 · US
Fastening method using a nail-shaped fastening element
US-9377043-B2 · Jun 28, 2016 · US
Insulated reinforced foam sheathing, reinforced vapor permeable air barrier foam panel and method of making and using same
US-9366023-B2 · Jun 14, 2016 · US
Molded encapsulated retainer
US-9353779-B2 · May 31, 2016 · US
Fastening structure of control board to metallic case
US-2016131178-A1 · May 12, 2016 · US
Fastening device
US-9322427-B2 · Apr 26, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16B43/00?
- CPC F16B43/00 is the Cooperative Patent Classification code for “Washers or equivalent devices; Other devices for supporting bolt-heads or nuts (circlips F16B21/18; {for indicating tensile load F16B31/02; forming a whole with the bolt or nut F16B33/00; locking bolts or nuts by means of a fixed plate or ring, or washer-like resilient plates F16B39/10, F16B39/24}).”
- How many patents are filed under CPC F16B43/00 (Washers or equivalent devices; Other devices for supporting bolt-heads or nuts (circlips F16B21/18; {for indicating tensile load F16B31/02; forming a whole with the bolt or nut F16B33/00; locking bolts or nuts by means of a fixed plate or ring, or washer-like resilient plates F16B39/10, F16B39/24}))?
- Our database includes 522 publications tagged with this CPC code.
- Is patent activity under CPC F16B43/00 growing?
- Publication counts under this code: 50 in 2024 vs 41 in 2025 (latest complete years).