F04C 29/0078
Fixing rotors on shafts
Official title: {Fixing rotors on shafts, e.g. by clamping together hub and shaft}
F04C29/0078 (Fixing rotors on shafts) appears on 67 US grants and 72 published applications in this corpus.
Search patents in F04C- Granted patents
- 67
- Published applications
- 72
- Assignees
- 53
- Inventors
- 194
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 3 |
| 2011 | 1 | 3 |
| 2012 | 1 | 4 |
| 2013 | 3 | 4 |
| 2014 | 2 | 6 |
| 2015 | 3 | 5 |
| 2016 | 5 | 5 |
| 2017 | 5 | 4 |
| 2018 | 3 | 5 |
| 2019 | 7 | 3 |
| 2020 | 2 | 3 |
| 2021 | 4 | 4 |
| 2022 | 3 | 7 |
| 2023 | 3 | 3 |
| 2024 | 5 | 2 |
| 2025 | 4 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flexible impeller pump30 Sep 2025US 12,429,050 B2Marine Flow Limited
- Compressor3 Jun 2025US 12,320,352 B2Fu Sheng Industrial Co., Ltd.
- Scroll compressor25 Mar 2025US 12,258,964 B2LG Electronics Inc.
- Driveshaft assemblies and compressors including the same7 Jan 2025US 12,188,355 B2Copeland Corporation
- Screw rotor and method for manufacturing such screw rotor29 Oct 2024US 12,129,850 B2Atlas Copco Airpower, Naamloze Vennootschap
- Compressor and method for assembling compressor5 Feb 2026US 2026/0036128 A1
- Scroll electric compressor2 Oct 2025US 2025/0305498 A1Kabushiki Kaisha Toyota Jidoshokki
- Compressor27 Feb 2025US 2025/0067264 A1
- Compressor13 Feb 2025US 2025/0052239 A1Fu Sheng Industrial Co., Ltd.
- Driveshaft assemblies and compressors including the same29 Aug 2024US 2024/0287904 A1Copeland Corporation
Most cited
By later US patents
- Press-fit structure of a shaft74US 4,886,392 ADiesel Kiki Co., Ltd. · 1989
- Supercharger and rotor and shaft arrangement therefor18US 4,828,467 AEaton Corporation · 1989
- Mud motor coupling system17US 10,288,065 B1National Oilwell DHT, L.P. · 2019
- Ergonomically friendly orbital sander construction15US 6,979,254 B12005
- Rotor assembly for screw pump13US 5,295,788 AHonda Giken Kogyo Kabushiki Kaisha · 1994