F04B 37/00
Pumps having pertinent characteristics not provided for in, or of interest apart
Official title: Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
F04B37/00 (Pumps having pertinent characteristics not provided for in, or of interest apart) appears on 1,009 US grants and 1,021 published applications in this corpus.
Search patents in F04B- Granted patents
- 1,009
- Published applications
- 1,021
- Assignees
- 604
- Inventors
- 2,057
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 6 | 0 |
| 1982 | 13 | 0 |
| 1983 | 4 | 0 |
| 1984 | 14 | 0 |
| 1985 | 14 | 0 |
| 1986 | 11 | 0 |
| 1987 | 11 | 0 |
| 1988 | 13 | 0 |
| 1989 | 18 | 0 |
| 1990 | 15 | 0 |
| 1991 | 11 | 0 |
| 1992 | 13 | 0 |
| 1993 | 15 | 0 |
| 1994 | 22 | 0 |
| 1995 | 11 | 0 |
| 1996 | 11 | 0 |
| 1997 | 11 | 0 |
| 1998 | 9 | 0 |
| 1999 | 25 | 0 |
| 2000 | 21 | 0 |
| 2001 | 19 | 2 |
| 2002 | 12 | 10 |
| 2003 | 11 | 13 |
| 2004 | 8 | 18 |
| 2005 | 10 | 20 |
| 2006 | 10 | 16 |
| 2007 | 7 | 27 |
| 2008 | 13 | 18 |
| 2009 | 7 | 19 |
| 2010 | 9 | 27 |
| 2011 | 7 | 25 |
| 2012 | 17 | 33 |
| 2013 | 13 | 56 |
| 2014 | 20 | 42 |
| 2015 | 24 | 55 |
| 2016 | 35 | 67 |
| 2017 | 42 | 59 |
| 2018 | 61 | 56 |
| 2019 | 48 | 71 |
| 2020 | 54 | 66 |
| 2021 | 45 | 58 |
| 2022 | 52 | 54 |
| 2023 | 49 | 55 |
| 2024 | 54 | 44 |
| 2025 | 46 | 61 |
| 2026 | 41 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mechanical design of electro-hydrodynamic air mover apparatus15 Sep 2026US 12,736,042 B2Ventiva, Inc.
- Hybrid gettering diffusion pump8 Sep 2026US 12,729,670 B2Helion Energy, Inc.
- Air compressor structure8 Sep 2026US 12,729,671 B2Unik World Industrial Co., Ltd.
- Apparatus and method of pre-preparing a liquid delivery device valve for use8 Sep 2026US 12,729,678 B2Merxin Limited
- NEG-coated permanent magnet8 Sep 2026US 12,731,707 B2Saes Getters S. P. A.
- Cryopump8 Oct 2026US 2026/0309139 A1Sumitomo Heavy Industries, Ltd.
- Cryopump8 Oct 2026US 2026/0309140 A1Sumitomo Heavy Industries, Ltd.
- Vacuum pump1 Oct 2026US 2026/0299394 A1Pfeiffer Vacuum GmbH
- Portable Air Compressor17 Sep 2026US 2026/0275976 A1The Noco Company
- Fuel compressor20 Aug 2026US 2026/0243241 A1Phinia Delphi Luxembourg Sarl
Most cited
By later US patents
- High vacuum processing system having improved recycle draw-down capability under high humidity ambient atmospheric conditions179US 4,361,418 ARisdon Corporation · 1982
- Valve having opposed curved sealing surfaces on a valve member and a valve seat to facilitate effective sealing160US 10,094,366 B2National Oilwell Varco, L. P. · 2018
- Shield to prevent cryopump charcoal array from shedding during cryo-regeneration135US 6,122,921 AAPPLIED Materials.Inc. · 2000
- Electronically controlled cryopump and network interface101US 5,265,431 AHelix Technology Corporation · 1993
- Compression refrigeration machine97US 5,671,607 ASEP Gesellschaft fur technische Studien Entwicklung Planung mbH · 1997