H02K 5/124
Sealing of shafts
Official title: Sealing of shafts
H02K5/124 (Sealing of shafts) appears on 394 US grants and 334 published applications in this corpus.
Search patents in H02K- Granted patents
- 394
- Published applications
- 334
- Assignees
- 237
- Inventors
- 836
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 6 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 11 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 9 | 0 |
| 1995 | 15 | 0 |
| 1996 | 13 | 0 |
| 1997 | 10 | 0 |
| 1998 | 5 | 0 |
| 1999 | 12 | 0 |
| 2000 | 10 | 0 |
| 2001 | 6 | 2 |
| 2002 | 6 | 4 |
| 2003 | 2 | 4 |
| 2004 | 9 | 5 |
| 2005 | 3 | 7 |
| 2006 | 5 | 7 |
| 2007 | 4 | 2 |
| 2008 | 3 | 8 |
| 2009 | 2 | 5 |
| 2010 | 3 | 6 |
| 2011 | 3 | 9 |
| 2012 | 5 | 9 |
| 2013 | 5 | 12 |
| 2014 | 6 | 8 |
| 2015 | 7 | 4 |
| 2016 | 5 | 11 |
| 2017 | 8 | 17 |
| 2018 | 7 | 14 |
| 2019 | 17 | 28 |
| 2020 | 17 | 19 |
| 2021 | 19 | 24 |
| 2022 | 21 | 23 |
| 2023 | 22 | 20 |
| 2024 | 35 | 46 |
| 2025 | 33 | 26 |
| 2026 | 13 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for tilt propellers with tilt actuator gearbox and integrated inverter18 Aug 2026US 12,709,379 B2Archer Aviation Inc.
- Tilt rotor systems and methods for EVTOL aircraft16 Jun 2026US 12,654,842 B2Archer Aviation Inc.
- Redundant load path for a tiltable aircraft component26 May 2026US 12,637,211 B2Archer Aviation Inc.
- Axial flow machine for a motor vehicle21 Apr 2026US 12,609,596 B2Mercedes-Benz Group AG
- Systems and methods for rotor assemblies and manufacturing thereof7 Apr 2026US 12,595,042 B2Archer Aviation Inc.
- Systems and methods for rotor assemblies and manufacturing thereof1 Oct 2026US 2026/0296634 A1Archer Aviation Inc.
- Tilt rotor systems and methods for evtol aircraft17 Sep 2026US 2026/0274397 A1Archer Aviation Inc.
- Systems and methods for tilt propellers with tilt actuator gearbox and integrated inverter27 Aug 2026US 2026/0249978 A1Archer Aviation Inc.
- Shaft sealing device13 Aug 2026US 2026/0235208 A1Eagle Industry Co., Ltd.
- Motor and pump comprising same13 Aug 2026US 2026/0238067 A1LG Innotek Co., Ltd.
Most cited
By later US patents
- Method and apparatus for cardiac blood flow assistance452US 5,964,694 AGuidant Corporation · 1999
- Method and apparatus for cardiac blood flow assistance397US 5,911,685 AGuidant Corporation · 1999
- Intravascular blood pump329US 7,011,620 B1Impella CardioSystems AG · 2006
- Statorless intravascular microaxial flow pump272US 5,921,913 AGuidant Corporation · 1999
- Intracardiac pump device261US 6,139,487 AImpella Cardiotechnik Aktiengesellschaft · 2000