F04B 45/02
Pumps or pumping installations having flexible working members and specially adapted for
Official title: having bellows
F04B45/02 (Pumps or pumping installations having flexible working members and specially adapted for) appears on 201 US grants and 216 published applications in this corpus.
Search patents in F04B- Granted patents
- 201
- Published applications
- 216
- Assignees
- 142
- Inventors
- 391
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 1 |
| 2003 | 3 | 0 |
| 2004 | 2 | 2 |
| 2005 | 1 | 7 |
| 2006 | 0 | 3 |
| 2007 | 2 | 10 |
| 2008 | 0 | 4 |
| 2009 | 4 | 7 |
| 2010 | 5 | 7 |
| 2011 | 2 | 5 |
| 2012 | 4 | 10 |
| 2013 | 9 | 6 |
| 2014 | 2 | 21 |
| 2015 | 12 | 13 |
| 2016 | 14 | 11 |
| 2017 | 6 | 17 |
| 2018 | 10 | 14 |
| 2019 | 12 | 13 |
| 2020 | 15 | 17 |
| 2021 | 11 | 10 |
| 2022 | 12 | 8 |
| 2023 | 8 | 6 |
| 2024 | 7 | 13 |
| 2025 | 10 | 4 |
| 2026 | 6 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sobriety monitoring systems and features related thereto11 Aug 2026US 12,702,324 B2Soberlink Healthcare, LLC
- Pumping device14 Jul 2026US 12,680,537 B2
- Long-life non-contact pump12 May 2026US 12,624,690 B2
- Pump unit, storage device equipped therewith, and method for operating the storage device10 Mar 2026US 12,571,384 B2Scheugenpflug GmbH
- Bellows pump device17 Feb 2026US 12,553,429 B2Nippon Pillar Packing Co., Ltd.
- Bellows pump device11 Jun 2026US 2026/0160241 A1Nippon Pillar Packing Co., Ltd.
- Bellows pump device11 Jun 2026US 2026/0160242 A1Nippon Pillar Packing Co., Ltd.
- Bellows pump device4 Jun 2026US 2026/0153079 A1Nippon Pillar Packing Co., Ltd.
- Pump16 Apr 2026US 2026/0104042 A1Toyota Jidosha Kabushiki Kaisha
- Pumping device2 Apr 2026US 2026/0092599 A1
Most cited
By later US patents
- Device for vacuum-sealing an injury377US 6,174,306 B12001
- Tube occluder for occluding collapsible tubes240US 7,559,524 B2DEKA Products Limited Partnership · 2009
- Tube occluder and method for occluding collapsible tubes210US 6,877,713 B1DEKA Products Limited Partnership · 2005
- Inflation mechanism for inflatable article of manufacture91US 5,351,710 AReebok International Ltd. · 1994
- Vacuum bottle with air pump to pressurized bottle to effect dispensing62US 4,113,147 AAladdin Industries, Incorporated · 1978