F04D 29/242
Geometry, shape
Official title: {Geometry, shape}
F04D29/242 (Geometry, shape) appears on 264 US grants and 252 published applications in this corpus.
Search patents in F04D- Granted patents
- 264
- Published applications
- 252
- Assignees
- 194
- Inventors
- 550
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 1 |
| 2002 | 3 | 1 |
| 2003 | 3 | 3 |
| 2004 | 3 | 3 |
| 2005 | 3 | 4 |
| 2006 | 1 | 2 |
| 2007 | 2 | 2 |
| 2008 | 3 | 3 |
| 2009 | 0 | 5 |
| 2010 | 1 | 3 |
| 2011 | 1 | 3 |
| 2012 | 1 | 4 |
| 2013 | 5 | 13 |
| 2014 | 6 | 10 |
| 2015 | 8 | 15 |
| 2016 | 5 | 20 |
| 2017 | 16 | 16 |
| 2018 | 12 | 16 |
| 2019 | 11 | 27 |
| 2020 | 24 | 17 |
| 2021 | 18 | 18 |
| 2022 | 19 | 16 |
| 2023 | 23 | 17 |
| 2024 | 15 | 16 |
| 2025 | 15 | 8 |
| 2026 | 8 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heart pump11 Aug 2026US 12,702,818 B2BiVACOR Inc.
- Submersible pump with external slicer19 May 2026US 12,631,185 B1
- Centrifugal pump stage with radiused impeller flow passage exit for reduced erosion28 Apr 2026US 12,612,848 B2Halliburton Energy Services.Inc.
- Efficient fan assembly7 Apr 2026US 12,595,806 B2Greenheck Fan Corporation
- Higher work output centrifugal pump stage24 Mar 2026US 12,584,496 B2Halliburton Energy Services.Inc.
- Impeller of a pump, and pump6 Aug 2026US 2026/0226910 A1Rheinisch-Westfalische Technische Hochschule Aachen, Abgektirzt RWTH Aachen Korperschaft des dffe
- Pump system30 Jul 2026US 2026/0218719 A1Pentair Flow Technologies, LLC
- Pump9 Jul 2026US 2026/0194065 A1Ebara Corporation
- Multistage disc pump for multiphase fluids25 Jun 2026US 2026/0177067 A1Mxq, LLC
- Electric pump with printed circuit board stator11 Jun 2026US 2026/0160255 A1
Most cited
By later US patents
- Self-deploying axial-flow pump introduced intravascularly for temporary cardiac support480US 6,533,716 B12003
- Blood pump with disposable rotor assembly246US 5,393,207 ANimbus, Inc. · 1995
- Motor driven sealless blood pump239US 5,399,074 AKYOCERA Corporation · 1995
- Blood pump without bearing222US 6,623,475 B1Impella CardioSystems AG · 2003
- Catheter device179US 8,439,859 B2Ais GmbH Aachen Innovative Solutions · 2013