F04C 15/0076
Fixing rotors on shafts
Official title: {Fixing rotors on shafts, e.g. by clamping together hub and shaft}
F04C15/0076 (Fixing rotors on shafts) appears on 120 US grants and 91 published applications in this corpus.
Search patents in F04C- Granted patents
- 120
- Published applications
- 91
- Assignees
- 95
- Inventors
- 228
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 4 |
| 2005 | 1 | 3 |
| 2006 | 3 | 3 |
| 2007 | 2 | 1 |
| 2008 | 1 | 1 |
| 2009 | 2 | 12 |
| 2010 | 5 | 3 |
| 2011 | 5 | 5 |
| 2012 | 7 | 9 |
| 2013 | 4 | 2 |
| 2014 | 2 | 3 |
| 2015 | 4 | 5 |
| 2016 | 3 | 5 |
| 2017 | 4 | 6 |
| 2018 | 2 | 6 |
| 2019 | 8 | 3 |
| 2020 | 6 | 5 |
| 2021 | 3 | 3 |
| 2022 | 2 | 2 |
| 2023 | 3 | 4 |
| 2024 | 2 | 3 |
| 2025 | 5 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gear pump parallel load path24 Mar 2026US 12,584,482 B1Pratt & Whitney Canada Corp.
- Flexible impeller pump30 Sep 2025US 12,429,050 B2Marine Flow Limited
- Flexible impeller pump for flowable food product3 Jun 2025US 12,320,351 B2
- Rotor shaft hub and bearing for a high pressure fluid pump assembly11 Mar 2025US 12,247,565 B2M&M Technologies, Inc.
- Variable displacement gerotor pump18 Feb 2025US 12,228,132 B2
- Pump device1 Oct 2026US 2026/0298230 A1Mikuni Corporation
- Gear pump parallel load path30 Jul 2026US 2026/0218702 A1Pratt & Whitney Canada Corp.
- Rotor shaft hub and bearing for a high pressure fluid pump assembly28 Nov 2024US 2024/0392781 A1M&M Technologies, Inc.
- Roots pump29 Aug 2024US 2024/0287986 A1Kabushiki Kaisha Toyota Jidoshokki
- Flexible impeller pump23 May 2024US 2024/0167472 A1Marine Flow Limited
Most cited
By later US patents
- Quick release downhole motor coupling63US 4,391,547 ADresser Industries, Inc. · 1983
- Flexible coupling for progressive cavity downhole drilling motor39US 5,090,497 ABaker Hughes Incorporated · 1992
- Electrical fuel pump for small motorcycle engine38US 4,978,282 AIndustrial Technology Research Institute · 1990
- Downhole progressive cavity type drilling motor with flexible connecting rod26US 4,636,151 AHughes Tool Company · 1987
- Down-hole earth drilling motor capable of free circulation24US 4,187,918 A1980