F15B 13/0422
With manually-operated pilot valves
Official title: {with manually-operated pilot valves, e.g. joysticks}
F15B13/0422 (With manually-operated pilot valves) appears on 201 US grants and 91 published applications in this corpus.
Search patents in F15B- Granted patents
- 201
- Published applications
- 91
- Assignees
- 83
- Inventors
- 310
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 9 | 0 |
| 1992 | 6 | 0 |
| 1993 | 9 | 0 |
| 1994 | 10 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 0 |
| 2002 | 2 | 3 |
| 2003 | 7 | 4 |
| 2004 | 2 | 2 |
| 2005 | 3 | 5 |
| 2006 | 4 | 5 |
| 2007 | 2 | 5 |
| 2008 | 6 | 2 |
| 2009 | 4 | 3 |
| 2010 | 4 | 3 |
| 2011 | 0 | 2 |
| 2012 | 1 | 3 |
| 2013 | 3 | 5 |
| 2014 | 2 | 1 |
| 2015 | 6 | 8 |
| 2016 | 2 | 0 |
| 2017 | 4 | 1 |
| 2018 | 1 | 6 |
| 2019 | 4 | 7 |
| 2020 | 9 | 4 |
| 2021 | 2 | 3 |
| 2022 | 5 | 6 |
| 2023 | 2 | 3 |
| 2024 | 4 | 3 |
| 2025 | 5 | 7 |
| 2026 | 5 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydraulic mobile cart for produce harvesting18 Aug 2026US 12,709,152 B2
- Offset control stick system and method18 Aug 2026US 12,709,867 B2Manitou Equipment America, LLC
- Pipeline actuation system31 Mar 2026US 12,590,594 B2
- Work machine and operating device for work machine3 Mar 2026US 12,565,755 B2Sumitomo Construction Machinery Co., Ltd.
- Work machine24 Feb 2026US 12,559,910 B2Hitachi Construction Machinery Co., Ltd.
- Hydraulic system in work machine17 Jul 2025US 2025/0230634 A1Kubota Corporation
- Advanced precision construction features on pilot operated machines12 Jun 2025US 2025/0188701 A1Deere & Company
- Fluid circuit1 May 2025US 2025/0137468 A1Eagle Industry Co., Ltd.
- Offset control stick system and method6 Feb 2025US 2025/0043539 A1Manitou Equipment America, LLC
- Line Break Device16 Jan 2025US 2025/0020233 A1
Most cited
By later US patents
- Kinesthetic feedback apparatus and method552US 5,396,266 ATechnical Research Associates, Inc. · 1995
- Steering and transmission shifting control mechanism99US 5,042,314 ACaterpillar Inc. · 1991
- Pressure controlled swing valve with safety feature31US 4,041,983 ACaterpillar Tractor Co. · 1977
- Hydraulic valve detent mechanism29US 4,342,335 AKoehring Company · 1982
- Hydraulic circuit for cylinder27US 4,955,283 AKabushiki Kaisha Kobe Seiko Sho · 1990