Sealing gasket
US-2025369443-A1 · Dec 4, 2025 · US
Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type pumps, e.g. gear pumps
Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type pumps, e.g. gear pumps · 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 | F04C27/006 |
| Official title | {Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type pumps, e.g. gear pumps} |
| Display label | Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type pumps, e.g. gear pumps |
| Total patents | 42 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 3 |
| 2017 | 6 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gear pump or gear motor
US-2025207585-A1 · Jun 26, 2025 · US
Gear pump with suction housing element providing a tight seal between suction and high-pressure chamber to increase pump efficiency and method of providing tight seal
US-12313071-B1 · May 27, 2025 · US
Screw compressor and freezer
US-2025012278-A1 · Jan 9, 2025 · US
Displacement pump for fuel vapor recovery
US-12006828-B2 · Jun 11, 2024 · US
Hydraulic gear pump with axial compensation
US-11680567-B1 · Jun 20, 2023 · US
Pump system and method for optimized torque requirements and volumetric efficiencies
US-11661938-B2 · May 30, 2023 · US
Pump system and method for optimized torque requirements and volumetric efficiencies
US-2023062955-A1 · Mar 2, 2023 · US
Vacuum pump sealing element
US-11286929-B2 · Mar 29, 2022 · US
Rotary vacuum pump with a rotor end groove
US-11168691-B2 · Nov 9, 2021 · US
Scroll compressor having buffer member arranged between end of shaft and recess of eccentric bush
US-11136979-B2 · Oct 5, 2021 · US
Scroll-type fluid machine
US-11085444-B2 · Aug 10, 2021 · US
Fluid exchange devices and related controls, systems, and methods
US-10988999-B2 · Apr 27, 2021 · US
Scroll-Type Fluid Machine
US-2020309125-A1 · Oct 1, 2020 · US
Fluid exchange devices and related controls, systems, and methods
US-2020149362-A1 · May 14, 2020 · US
Scroll compressor
US-2020088198-A1 · Mar 19, 2020 · US
Displacement pump
US-2020063743-A1 · Feb 27, 2020 · US
Tip seal
US-10451068-B2 · Oct 22, 2019 · US
Vacuum pump sealing element
US-2019277282-A1 · Sep 12, 2019 · US
Rotary vacuum pump with a rotor end groove
US-2019242383-A1 · Aug 8, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04C27/006?
- CPC F04C27/006 is the Cooperative Patent Classification code for “Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type pumps, e.g. gear pumps.”
- How many patents are filed under CPC F04C27/006 (Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type pumps, e.g. gear pumps)?
- Our database includes 42 publications tagged with this CPC code.
- Is patent activity under CPC F04C27/006 growing?
- Publication counts under this code: 1 in 2024 vs 4 in 2025 (latest complete years).