F04B 43/0063
Bell-shaped flexible members
Official title: {bell-shaped flexible members}
F04B43/0063 (Bell-shaped flexible members) appears on 107 US grants and 67 published applications in this corpus.
Search patents in F04B- Granted patents
- 107
- Published applications
- 67
- Assignees
- 59
- Inventors
- 174
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 3 |
| 2002 | 3 | 1 |
| 2003 | 1 | 0 |
| 2004 | 3 | 2 |
| 2005 | 1 | 1 |
| 2006 | 2 | 1 |
| 2007 | 2 | 3 |
| 2008 | 1 | 6 |
| 2009 | 0 | 5 |
| 2010 | 2 | 0 |
| 2011 | 1 | 5 |
| 2012 | 2 | 3 |
| 2013 | 2 | 0 |
| 2014 | 2 | 9 |
| 2015 | 4 | 2 |
| 2016 | 8 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 3 |
| 2019 | 2 | 3 |
| 2020 | 5 | 4 |
| 2021 | 4 | 4 |
| 2022 | 5 | 3 |
| 2023 | 4 | 2 |
| 2024 | 0 | 2 |
| 2025 | 3 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Diaphragm assembly and diaphragm pump5 May 2026US 12,618,401 B1Zhejiang Ele Smart Technology Co., Ltd.
- Diaphragm pump27 Jan 2026US 12,535,066 B2Mabuchi Motor Oken Co., Ltd.
- Mounting structure for diaphragm and retainer11 Nov 2025US 12,467,452 B2Iwaki Co., Ltd.
- Rolling diaphragm pump30 Sep 2025US 12,429,040 B2Nippon Pillar Packing Co., Ltd.
- Diaphragm pump20 May 2025US 12,305,629 B2Mabuchi Motor Oken Co., Ltd.
- Diaphragm assembly and diaphragm pump7 May 2026US 2026/0126035 A1Zhejiang Ele Smart Technology Co., Ltd.
- Composite diaphragm for diaphragm pump8 Jan 2026US 2026/0009379 A1
- Exhaust passage structure and diaphragm pump16 Oct 2025US 2025/0320864 A1Mabuchi Motor Oken Co., Ltd.
- Mounting structure for diaphragm and retainer15 May 2025US 2025/0154947 A1Iwaki Co., Ltd.
- Rolling diaphragm pump23 May 2024US 2024/0167465 A1Nippon Pillar Packing Co., Ltd.
Most cited
By later US patents
- Electrostatically actuated mesopump having a plurality of elementary cells377US 5,836,750 AHoneywell Inc. · 1998
- Low cost, high pumping rate electrostatically actuated mesopump166US 6,106,245 AHoneywell Inc. · 2000
- Diaphragm pump and pump mounted in a carrying case useful in breast pumping91US 5,776,098 AMedela, Inc. · 1998
- Dispensing pump86US 3,987,938 ADiamond International Corporation · 1976
- Disposable rolling diaphragm filling unit86US 5,540,568 ANational Instrument Company, Inc. · 1996