F15B 2211/351
Flow control by regulating means in feed line, i.e. meter-in control
F15B2211/351 (Flow control by regulating means in feed line, i.e. meter-in control) appears on 276 US grants and 163 published applications in this corpus.
Search patents in F15B- Granted patents
- 276
- Published applications
- 163
- Assignees
- 113
- Inventors
- 463
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 1 |
| 2002 | 0 | 2 |
| 2003 | 4 | 10 |
| 2004 | 12 | 12 |
| 2005 | 8 | 3 |
| 2006 | 3 | 6 |
| 2007 | 4 | 2 |
| 2008 | 4 | 8 |
| 2009 | 3 | 0 |
| 2010 | 5 | 6 |
| 2011 | 2 | 2 |
| 2012 | 0 | 2 |
| 2013 | 4 | 3 |
| 2014 | 3 | 5 |
| 2015 | 3 | 4 |
| 2016 | 3 | 6 |
| 2017 | 6 | 6 |
| 2018 | 6 | 9 |
| 2019 | 8 | 8 |
| 2020 | 10 | 10 |
| 2021 | 14 | 15 |
| 2022 | 11 | 9 |
| 2023 | 14 | 16 |
| 2024 | 11 | 11 |
| 2025 | 11 | 5 |
| 2026 | 7 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Multiple consumer hydraulic mechanisms60US 4,617,854 ALinde Aktiengesellschaft · 1986
- Control for load sharing pumps49US 4,345,436 ACaterpillar Tractor Co. · 1982
- System and method for accumulating hydraulic fluid48US 6,655,136 B2Caterpillar Inc. · 2003
- Series - parallel selector for steering and implement47US 4,343,151 ACaterpillar Tractor Co. · 1982
- Method of controlling speed change of hydraulic drive device for vehicle and speed change device47US 5,784,883 AKomatsu Ltd. · 1998