F04C 15/0065
For eccentric movement
Official title: {for eccentric movement}
F04C15/0065 (For eccentric movement) appears on 103 US grants and 103 published applications in this corpus.
Search patents in F04C- Granted patents
- 103
- Published applications
- 103
- Assignees
- 78
- Inventors
- 260
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 8 |
| 2010 | 3 | 4 |
| 2011 | 3 | 3 |
| 2012 | 3 | 3 |
| 2013 | 4 | 0 |
| 2014 | 1 | 6 |
| 2015 | 0 | 6 |
| 2016 | 3 | 6 |
| 2017 | 5 | 9 |
| 2018 | 5 | 7 |
| 2019 | 5 | 8 |
| 2020 | 7 | 11 |
| 2021 | 8 | 5 |
| 2022 | 8 | 2 |
| 2023 | 7 | 6 |
| 2024 | 7 | 5 |
| 2025 | 4 | 7 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Eccentric screw pump with magnetic coupling18 Aug 2026US 12,710,041 B2NETZSCH Pumpen & Systeme GmbH
- Pump16 Jun 2026US 12,655,844 B2LG Innotek Co., Ltd.
- Eccentric screw pump with weakening recesses in the power train27 Jan 2026US 12,535,070 B2NETZSCH Pumpen & Systeme GmbH
- Pump9 Dec 2025US 12,492,698 B2LG Innotek Co., Ltd.
- Variable displacement oil pump21 Oct 2025US 12,448,967 B2Hitachi Astemo, Ltd.
- Eccentric Screw Pump Device, Pump System, Discharge System and Use13 Aug 2026US 2026/0235121 A1Putzmeister Engineering GmbH
- Fluid pump16 Oct 2025US 2025/0320867 A1Valeo Embrayages
- Radial piston pump16 Oct 2025US 2025/0320868 A1HAWE Hydraulik SE
- Eccentric screw pump18 Sep 2025US 2025/0290508 A1NETZSCH Pumpen & Systeme GmbH
- Scroll pump with two-piece crankshaft5 Jun 2025US 2025/0180022 A1Agilent Technologies, Inc.
Most cited
By later US patents
- Fluid feed apparatus and method55US 5,553,742 AMatsushita Electric Industrial Co., Ltd. · 1996
- Piezoelectric powered scroll compressor49US 4,950,135 AHitachi, Ltd. · 1990
- Magnetic eccentric motion motor30US 5,252,870 A1993
- Progressive cavity pump with flexible coupling29US 5,501,580 ABaker Hughes Incorporated · 1996
- Scroll-type hydraulic machine with two axially spaced scroll mechanisms23US 4,515,539 AMitsubishi Denki Kabushiki Kaisha · 1985