F04B 23/028
The pump being mounted on top of the reservoir
Official title: {the pump being mounted on top of the reservoir}
F04B23/028 (The pump being mounted on top of the reservoir) appears on 101 US grants and 123 published applications in this corpus.
Search patents in F04B- Granted patents
- 101
- Published applications
- 123
- Assignees
- 85
- Inventors
- 191
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 3 |
| 2008 | 1 | 0 |
| 2009 | 0 | 3 |
| 2010 | 1 | 1 |
| 2011 | 0 | 3 |
| 2012 | 2 | 7 |
| 2013 | 4 | 4 |
| 2014 | 4 | 5 |
| 2015 | 3 | 2 |
| 2016 | 3 | 7 |
| 2017 | 2 | 12 |
| 2018 | 11 | 15 |
| 2019 | 14 | 13 |
| 2020 | 7 | 8 |
| 2021 | 10 | 7 |
| 2022 | 6 | 9 |
| 2023 | 8 | 10 |
| 2024 | 4 | 5 |
| 2025 | 4 | 7 |
| 2026 | 7 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Hot melt dispensing apparatus and method41US 3,982,669 AIndustrial Machine Service Company · 1976
- Method and apparatus for low-temperature semiconductor processing33US 5,435,379 ATexas Instruments Incorporated · 1995
- Hydraulic power supply30US 5,246,346 ATri-Line Corporation · 1993
- Airless paint sprayer intake dampener and inlet valve spring24US 5,639,219 ACampbell Hausfeld/Scott Fetzer Company · 1997
- Airless paint sprayer outlet check valve21US 5,609,300 ACampbell Hausfeld/Scott Fetzer Company · 1997