Four piston scotch yoke actuator
US-11661848-B2 · May 30, 2023 · US
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of Bourke-type or Scotch yoke
of Bourke-type or Scotch yoke · 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 | F01B9/023 |
| Official title | {of Bourke-type or Scotch yoke} |
| Display label | of Bourke-type or Scotch yoke |
| Total patents | 9 |
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 | 1 |
| 2017 | 4 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Double-piston compressor of a compressed-air supply device
US-10859075-B2 · Dec 8, 2020 · US
Simplified mechanism for a scotch yoke actuator
US-10436345-B1 · Oct 8, 2019 · US
Double-piston compressor of a compressed-air supply device
US-2018266406-A1 · Sep 20, 2018 · US
Cryogenic refrigerator with scotch yoke driving unit
US-9772125-B2 · Sep 26, 2017 · US
Cryogenic refrigerator
US-9638441-B2 · May 2, 2017 · US
Cryogenic refrigerator
US-2017067669-A1 · Mar 9, 2017 · US
Cryogenic refrigerator
US-9534813-B2 · Jan 3, 2017 · US
V-type block of a crank circular slider mechanism and a cylinder liner, a group of the cylinder liner, mechanical equipment thereof
US-8931442-B2 · Jan 13, 2015 · US