F04D 29/043
Shafts
F04D29/043 (Shafts) appears on 560 US grants and 589 published applications in this corpus.
Search patents in F04D- Granted patents
- 560
- Published applications
- 589
- Assignees
- 347
- Inventors
- 1,173
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 0 |
| 2002 | 8 | 8 |
| 2003 | 4 | 4 |
| 2004 | 5 | 6 |
| 2005 | 2 | 8 |
| 2006 | 4 | 4 |
| 2007 | 0 | 4 |
| 2008 | 6 | 10 |
| 2009 | 1 | 4 |
| 2010 | 6 | 10 |
| 2011 | 2 | 9 |
| 2012 | 4 | 11 |
| 2013 | 12 | 14 |
| 2014 | 5 | 13 |
| 2015 | 9 | 22 |
| 2016 | 19 | 42 |
| 2017 | 22 | 61 |
| 2018 | 14 | 37 |
| 2019 | 56 | 37 |
| 2020 | 39 | 51 |
| 2021 | 29 | 63 |
| 2022 | 60 | 47 |
| 2023 | 52 | 57 |
| 2024 | 56 | 24 |
| 2025 | 29 | 23 |
| 2026 | 10 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Motor assembly for an appliance such as a vacuum cleaner and a vacuum cleaner having same15 Sep 2026US 12,736,058 B2Omachron Intellectual Property Inc.
- Tandem seal pump8 Sep 2026US 12,729,692 B2Ceco Environmental IP Inc.
- Stick pump assembly1 Sep 2026US 12,723,590 B2Milwaukee Electric Tool Corporation
- Electric coolant pump with expansion compensating seal18 Aug 2026US 12,710,051 B2Multi Parts Supply USA, Inc.
- Intravascular fluid pump having a longitudinally elastically stretchable rotor7 Jul 2026US 12,674,466 B2Ecp Entwicklungsgesellschaft Mbh
- Submersible electronics module and submersible pump assembly with such24 Sep 2026US 2026/0286964 A1Grundfos Holding A/S
- Displacement unit for an electric submersible pump30 Jul 2026US 2026/0218709 A1Schlumberger Technology Corporation
- Vortex slurry pump23 Jul 2026US 2026/0210362 A1
- Oil pan for internal combustion engine9 Jul 2026US 2026/0194004 A1Arctic Cat Inc.
- Compressor module2 Jul 2026US 2026/0185541 A1Mitsubishi Heavy Industries Compressor Corporation
Most cited
By later US patents
- Helifoil pump441US 4,969,865 AAmerican BioMed, Inc. · 1990
- Percutaneous axial flow blood pump422US 4,944,722 ANimbus Medical, Inc. · 1990
- Helifoil pump285US 5,112,292 AAmerican BioMed, Inc. · 1992
- Pump system for high pressure application176US 9,829,002 B2Tucson Embedded Systems, Inc. · 2017
- Pump system for high pressure application164US 10,465,689 B2Tucson Embedded Systems, Inc. · 2019