F04B 1/1133
With rotary cylinder blocks
Official title: with rotary cylinder blocks
F04B1/1133 (With rotary cylinder blocks) appears on 24 US grants and 10 published applications in this corpus.
Search patents in F04B- Granted patents
- 24
- Published applications
- 10
- Assignees
- 18
- Inventors
- 27
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 2 |
| 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
- Radial piston pumps3 Mar 2026US 12,565,878 B2Domin Fluid Power Limited
- System for a bent axis motor13 Feb 2024US 11,898,582 B1Dana Motion Systems Italia S.R.L.
- Hydraulic apparatus having an additional thrust section7 Jan 2020US 10,527,022 B2Poclain Hydraulics Industrie
- Spin pump with spun-epicyclic geometry having piston bores capped with caps including ducts or valves within the rotor5 Nov 2019US 10,465,669 B2Chart Inc.
- Radial piston pump and wind power generator17 Apr 2018US 9,945,360 B2Hitachi, Ltd.
- Radial piston rotary machine15 Aug 2024US 2024/0271624 A1Up-Steel, S.R.O.
- Radial piston pumps27 Jun 2024US 2024/0209854 A1Domin Fluid Power Limited
- Radial rotary piston machine21 Sep 2023US 2023/0296088 A1Up-Steel, S.R.O.
- Spin pump with spun-epicyclic geometry15 Mar 2018US 2018/0073493 A1Chart Inc.
- Hydraulic apparatus having an additional thrust section26 Jan 2017US 2017/0022965 A1Poclain Hydraulics Industrie
Most cited
By later US patents
- Positive displacement pumps18US 5,228,840 AImpact MST Incorporated · 1993
- Two rotor sliding vane compressor16US 5,567,139 A1996
- Rotary piston machines with a wear-resistant driving mechanism15US 5,249,506 A1993
- Two rotor sliding vane compressor15US 5,681,153 ACarrier Corporation · 1997
- Hydraulic piston machines9US 5,626,465 AUnipat AG · 1997