Element for compressing or expanding a gas and method for controlling such element
US-11572878-B2 · Feb 7, 2023 · US
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of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents · 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 | F01C1/02 |
| Official title | of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents |
| Display label | of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents |
| Total patents | 24 |
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 | 5 |
| 2016 | 6 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 5 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Element for compressing or expanding a gas and method for controlling such element
US-2022186729-A1 · Jun 16, 2022 · US
Scroll fluid machine with decreasing inter-facing surface and arc shape end plate central portion
US-11204034-B2 · Dec 21, 2021 · US
Scroll pump and scroll pump anti-rotation device
US-2021088047-A1 · Mar 25, 2021 · US
Scroll fluid machine
US-2020095993-A1 · Mar 26, 2020 · US
Fluid pressure pulse generator for a downhole telemetry tool
US-10508538-B2 · Dec 17, 2019 · US
Modular pump platform
US-10473096-B2 · Nov 12, 2019 · US
Tip seal
US-10451068-B2 · Oct 22, 2019 · US
Scroll expander
US-10301940-B2 · May 28, 2019 · US
Scroll compressor with oldham ring having a plurality of keys coupled to an orbiting scroll and a fixed scroll
US-10247189-B2 · Apr 2, 2019 · US
Expander
US-9932829-B2 · Apr 3, 2018 · US
Fluid pressure pulse generator for a downhole telemetry tool
US-2017260853-A1 · Sep 14, 2017 · US
Scroll Expander
US-2017167262-A1 · Jun 15, 2017 · US
High-Pressure Side Separation of Liquid Lubricant for Lubricating Volumetrically Working Expansion Machines
US-2016290172-A1 · Oct 6, 2016 · US
Scroll compressor with oldham ring
US-2016195089-A1 · Jul 7, 2016 · US
Scroll compressor
US-9371832-B2 · Jun 21, 2016 · US
Scroll compressor and processing method of scroll including a projection on a tip seal and a hole in a tip seal groove
US-9366253-B2 · Jun 14, 2016 · US
Tip seal
US-2016131136-A1 · May 12, 2016 · US
Scroll compressor with Oldham ring
US-9322273-B2 · Apr 26, 2016 · US
Scroll-Type Fluid Machine
US-2015322947-A1 · Nov 12, 2015 · US