F04D 29/046
Bearings
F04D29/046 (Bearings) appears on 1,248 US grants and 1,174 published applications in this corpus.
Search patents in F04D- Granted patents
- 1,248
- Published applications
- 1,174
- Assignees
- 611
- Inventors
- 2,243
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 6 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 7 | 0 |
| 1989 | 15 | 0 |
| 1990 | 13 | 0 |
| 1991 | 12 | 0 |
| 1992 | 24 | 0 |
| 1993 | 15 | 0 |
| 1994 | 17 | 0 |
| 1995 | 13 | 0 |
| 1996 | 13 | 0 |
| 1997 | 9 | 0 |
| 1998 | 15 | 0 |
| 1999 | 24 | 0 |
| 2000 | 26 | 0 |
| 2001 | 33 | 10 |
| 2002 | 18 | 16 |
| 2003 | 24 | 22 |
| 2004 | 17 | 23 |
| 2005 | 16 | 28 |
| 2006 | 9 | 22 |
| 2007 | 9 | 28 |
| 2008 | 14 | 33 |
| 2009 | 9 | 25 |
| 2010 | 16 | 23 |
| 2011 | 17 | 44 |
| 2012 | 22 | 33 |
| 2013 | 25 | 61 |
| 2014 | 45 | 53 |
| 2015 | 40 | 48 |
| 2016 | 40 | 54 |
| 2017 | 47 | 73 |
| 2018 | 39 | 67 |
| 2019 | 92 | 82 |
| 2020 | 78 | 80 |
| 2021 | 61 | 85 |
| 2022 | 77 | 78 |
| 2023 | 81 | 57 |
| 2024 | 74 | 47 |
| 2025 | 49 | 43 |
| 2026 | 34 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fluid pump and method of manufacturing same6 Oct 2026US 12,753,765 B2Temco Industrial, LLC
- Liquid supply device with function of reducing generation of particles25 Aug 2026US 12,716,416 B2Samsung Electronics Co., Ltd.
- Split thrust chamber for downhole pump25 Aug 2026US 12,716,417 B2Halliburton Energy Services.Inc.
- Downhole centrifugal pumps including axial support features and related components and methods25 Aug 2026US 12,716,426 B1ChampionX LLC
- Centrifugal pump18 Aug 2026US 12,710,048 B2Sulzer Management AG
- Vertical turbine pump with roller bearing support1 Oct 2026US 2026/0298243 A1Unted Flo, LLC
- Scalable multi-stage magnetic levitation molten salt pump1 Oct 2026US 2026/0298245 A1Lanzhou University of Technology
- Pump unit1 Oct 2026US 2026/0298248 A1Ebara Corporation
- Magnetic levitation device and pump unit10 Sep 2026US 2026/0266292 A1Levitronix LLC
- Magnetic levitation device and pump unit10 Sep 2026US 2026/0266305 A1Levitronix LLC
Most cited
By later US patents
- Single-stage axial flow blood pump493US 4,846,152 ANimbus Medical, Inc. · 1989
- Percutaneous axial flow blood pump422US 4,944,722 ANimbus Medical, Inc. · 1990
- Rotary blood pump405US 6,234,772 B1Kriton Medical, Inc. · 2001
- Method and apparatus for cardiac blood flow assistance397US 5,911,685 AGuidant Corporation · 1999
- Method for providing a jewel bearing for supporting a pump rotor shaft388US 6,254,359 B1The United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 2001