F15B 2211/46
Control of flow in the return line, i.e. meter-out control
F15B2211/46 (Control of flow in the return line, i.e. meter-out control) appears on 366 US grants and 240 published applications in this corpus.
Search patents in F15B- Granted patents
- 366
- Published applications
- 240
- Assignees
- 214
- Inventors
- 672
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 7 | 0 |
| 1980 | 9 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 9 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 15 | 0 |
| 2001 | 18 | 1 |
| 2002 | 8 | 13 |
| 2003 | 12 | 20 |
| 2004 | 17 | 14 |
| 2005 | 15 | 15 |
| 2006 | 10 | 9 |
| 2007 | 10 | 8 |
| 2008 | 7 | 4 |
| 2009 | 3 | 6 |
| 2010 | 2 | 6 |
| 2011 | 4 | 4 |
| 2012 | 1 | 5 |
| 2013 | 3 | 3 |
| 2014 | 3 | 4 |
| 2015 | 4 | 10 |
| 2016 | 7 | 6 |
| 2017 | 4 | 13 |
| 2018 | 8 | 12 |
| 2019 | 15 | 13 |
| 2020 | 19 | 12 |
| 2021 | 15 | 17 |
| 2022 | 14 | 10 |
| 2023 | 4 | 13 |
| 2024 | 6 | 9 |
| 2025 | 14 | 8 |
| 2026 | 7 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Pneumatically operated mechanism1,103US 6,050,172 AEmhart Glass S. A. · 2000
- Shovel64US 6,789,335 B1Kobelco Construction Machinery Co., Ltd. · 2004
- Hydraulic valve module63US 4,170,214 ADouble A Products Company · 1979
- Pneumatic actuator with hydraulic control53US 5,058,385 AThe United States of America as represented by the Secretary of the Navy · 1991
- Hydraulic control circuit in a hydraulic excavator52US 5,970,709 AKabushiki Kaisha Kobe Seiko Sho · 1999