F04D 29/102
Especially adapted for elastic fluid pumps
Official title: {especially adapted for elastic fluid pumps}
F04D29/102 (Especially adapted for elastic fluid pumps) appears on 312 US grants and 358 published applications in this corpus.
Search patents in F04D- Granted patents
- 312
- Published applications
- 358
- Assignees
- 184
- Inventors
- 817
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 5 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 3 |
| 2005 | 1 | 2 |
| 2006 | 2 | 6 |
| 2007 | 0 | 7 |
| 2008 | 2 | 7 |
| 2009 | 2 | 12 |
| 2010 | 8 | 13 |
| 2011 | 2 | 13 |
| 2012 | 12 | 15 |
| 2013 | 11 | 17 |
| 2014 | 9 | 11 |
| 2015 | 14 | 26 |
| 2016 | 19 | 27 |
| 2017 | 17 | 24 |
| 2018 | 23 | 27 |
| 2019 | 25 | 23 |
| 2020 | 23 | 20 |
| 2021 | 19 | 21 |
| 2022 | 28 | 20 |
| 2023 | 13 | 17 |
| 2024 | 15 | 18 |
| 2025 | 10 | 19 |
| 2026 | 12 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electric centrifugal compressor8 Sep 2026US 12,729,690 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Magnetic levitation motor sealing-cooling apparatus for refrigeration system and method therefor11 Aug 2026US 12,706,510 B2Shanghai Marine Diesel Engine Research Institute
- High pressure gas sealing23 Jun 2026US 12,663,015 B2Dover Pumps & Process Solutions Segment, Inc.
- Turbomolecular pump16 Jun 2026US 12,655,850 B2Detect-Ion LLC
- Contamination prevention in the blower of a ventilator2 Jun 2026US 12,642,928 B2Loewenstein Medical Technology S.A.
- Compressor with integrated speed multiplier6 Aug 2026US 2026/0226904 A1TURBODEN S. p. A.
- Turbomachine compressor exit region seal flow circuit23 Jul 2026US 2026/0210260 A1
- A method of protecting turbine shaft bearings used in anaesthesia devices from contaminants in patient gases18 Jun 2026US 2026/0166247 A1Peninsula Medical Technologies Ltd
- Conical sealing assembly for a rotary equipment and rotary equipment comprising the sealing assembly21 May 2026US 2026/0139741 A1Nuovo Pignone Tecnologie Srl
- Rotor, rotary machine, and method for assembling rotor5 Mar 2026US 2026/0063136 A1Mitsubishi Heavy Industries Compressor Corporation
Most cited
By later US patents
- Thermal control system for gas-bearing turbocompressors72US 6,231,302 B12001
- Liveload assembly for maintaining torque on bolts58US 5,316,319 ARM Engineered Products, Inc. · 1994
- Methods of generating and utilizing utility gas46US 8,906,138 B2ExxonMobil Upstream Research Company · 2014
- Lubricating and oil seal system for a high speed compressor39US 3,976,165 ANorwalk-Turbo, Inc. · 1976
- Gas turbine driven high speed centrifugal compressor unit38US 4,057,371 ANorwalk-Turbo, Inc. · 1977