F15B 2211/40507
With constant throttles or orifices
Official title: with constant throttles or orifices
F15B2211/40507 (With constant throttles or orifices) appears on 321 US grants and 245 published applications in this corpus.
Search patents in F15B- Granted patents
- 321
- Published applications
- 245
- Assignees
- 216
- Inventors
- 681
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 6 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 10 | 2 |
| 2002 | 14 | 9 |
| 2003 | 7 | 15 |
| 2004 | 13 | 14 |
| 2005 | 13 | 10 |
| 2006 | 4 | 5 |
| 2007 | 5 | 6 |
| 2008 | 3 | 5 |
| 2009 | 5 | 3 |
| 2010 | 3 | 2 |
| 2011 | 4 | 5 |
| 2012 | 2 | 2 |
| 2013 | 4 | 5 |
| 2014 | 3 | 7 |
| 2015 | 4 | 10 |
| 2016 | 5 | 5 |
| 2017 | 9 | 12 |
| 2018 | 6 | 9 |
| 2019 | 12 | 16 |
| 2020 | 14 | 16 |
| 2021 | 16 | 13 |
| 2022 | 11 | 18 |
| 2023 | 17 | 14 |
| 2024 | 7 | 16 |
| 2025 | 22 | 16 |
| 2026 | 9 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Temperature regulation system for vehicle hydraulic system25 Aug 2026US 12,716,434 B2Oshkosh Corporation
- Hydraulic drive apparatus21 Jul 2026US 12,687,182 B2Kawasaki Jukogyo Kabushiki Kaisha
- Volume follow supply9 Jun 2026US 12,650,135 B2Hydac Fluidtechnik GmbH
- Variable relief circuit19 May 2026US 12,631,201 B2HUSCO International, Inc.
- Valve module system12 May 2026US 12,624,712 B2Festo AG & Co.
- Hauling Vehicle27 Aug 2026US 2026/0249901 A1Hitachi Construction Machinery Co., Ltd.
- Compressed-air supply unit, compressed-air supply system, vehicle and operating method14 May 2026US 2026/0131760 A1Zf Cv Systems Europe BV
- Working machine26 Mar 2026US 2026/0085495 A1Kubota Corporation
- Systems and methods for control and monitoring of actuated valves19 Mar 2026US 2026/0079063 A1Swagelok Company
- Valve Assembly for Double-Acting Hoisting Mechanism29 Jan 2026US 2026/0029001 A1Robert Bosch GmbH
Most cited
By later US patents
- Cartridge valve having solenoid bypass and integral relief valve94US 5,992,450 AEaton Corporation · 1999
- Addressable valve arrays for proportional pressure or flow control88US 6,240,944 B1Honeywell International Inc. · 2001
- Multiple utilization of blow-mold air54US 5,648,026 AKrupp Corpoplast Maschinenbau GmbH · 1997
- Pump unit and working vehicle43US 6,988,580 B22006
- Apparatus and method for actuating arms36US 6,702,010 B2Computalog U.S.A., Inc. · 2004