Gas valve and flow rate control method for propane gas
US-11686395-B2 · Jun 27, 2023 · US
by means of cams of wedge from
by means of cams of wedge from · 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 | F16K3/186 |
| Official title | {by means of cams of wedge from} |
| Display label | by means of cams of wedge from |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 6 |
| 2023 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Valve having protected, moveable seal and seal assembly therefor
US-11555371-B2 · Jan 17, 2023 · US
Gate valve
US-11536376-B2 · Dec 27, 2022 · US
Gate valve
US-11466784-B2 · Oct 11, 2022 · US
Gas valve and flow rate control method for propane gas
US-2022307612-A1 · Sep 29, 2022 · US
Fracturing valve systems and methods
US-11421508-B2 · Aug 23, 2022 · US
Gate Valve
US-2022099194-A1 · Mar 31, 2022 · US
Gate Valve
US-2022099195-A1 · Mar 31, 2022 · US
Fracturing valve systems and methods
US-2021332666-A1 · Oct 28, 2021 · US
Close only expansive gate valve
US-11149859-B2 · Oct 19, 2021 · US
Film forming apparatus with cover which minimizes debris in the chamber
US-10793948-B2 · Oct 6, 2020 · US
Upper for a shoe
US-10694816-B2 · Jun 30, 2020 · US
Valve having protected, moveable seal and seal assembly therefor
US-2020182005-A1 · Jun 11, 2020 · US
Valve, in particular a vacuum valve
US-10612674-B2 · Apr 7, 2020 · US
No-bolt security latching system
US-10480675-B2 · Nov 19, 2019 · US
Film forming apparatus
US-2019062906-A1 · Feb 28, 2019 · US
Valve, in particular a vacuum valve
US-2018195623-A1 · Jul 12, 2018 · US
Close only expansive gate valve
US-2018087674-A1 · Mar 29, 2018 · US
Upper for a shoe
US-2018064210-A1 · Mar 8, 2018 · US
No-bolt security latching system
US-2018023725-A1 · Jan 25, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K3/186?
- CPC F16K3/186 is the Cooperative Patent Classification code for “by means of cams of wedge from.”
- How many patents are filed under CPC F16K3/186 (by means of cams of wedge from)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC F16K3/186 growing?
- Publication counts under this code: 6 in 2022 vs 2 in 2023 (latest complete years).