F04C 2/3562
The inner and outer member being in contact along one line or
Official title: {the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation}
F04C2/3562 (The inner and outer member being in contact along one line or) appears on 15 US grants and 11 published applications in this corpus.
Search patents in F04C- Granted patents
- 15
- Published applications
- 11
- Assignees
- 10
- Inventors
- 31
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 2 | 3 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 2 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Use of a composition as refrigerant in compressor, compressor, and refrigeration cycle apparatus28 Jul 2026US 12,692,425 B2Daikin Industries, Ltd.
- Rotary compressor having a rolling piston with coupling groove13 Jul 2021US 11,060,521 B2LG Electronics Inc.
- Rotary compressor11 May 2021US 11,002,279 B2LG Electronics Inc.
- Continuously variable turbine16 Jun 2020US 10,683,755 B2PDT, Inc.
- Hydraulic pump having a cylindrical roller within a housing having an inlet gallery and an outlet gallery formed in a circumferential outer surface of the housing20 Aug 2019US 10,385,850 B2Goodrich Actuations Systems Limited
- Use of a composition as refrigerant in compressor, compressor, and refrigeration cycle apparatus28 Dec 2023US 2023/0416580 A1Daikin Industries, Ltd.
- Rotary compressor20 Feb 2020US 2020/0056612 A1LG Electronics Inc.
- Rotary compressor24 Jan 2019US 2019/0024658 A1LG Electronics Inc.
- Continuously variable turbine27 Dec 2018US 2018/0371910 A1PDT, Inc.
- Non-Reciprocating Hydraulic Piston Pump2 Nov 2017US 2017/0314554 A1
Most cited
By later US patents
- Variable displacement vane type pump9US 4,477,231 A1984
- Rotary fluid-flow machine with thin-walled annular piston6US 4,580,957 A1986
- Method and pump for pumping liquid containing solids6US 5,885,065 A1999
- Rotary pump with wedge roller eccentric means driving the rotor5US 4,265,605 A1981
- Fluid mover5US 6,095,783 A2000