F16H 61/4104
Flushing
Official title: Flushing, e.g. by using flushing valves or by connection to exhaust
F16H61/4104 (Flushing) appears on 62 US grants and 52 published applications in this corpus.
Search patents in F16H- Granted patents
- 62
- Published applications
- 52
- Assignees
- 36
- Inventors
- 147
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 0 |
| 2003 | 2 | 2 |
| 2004 | 0 | 4 |
| 2005 | 1 | 2 |
| 2006 | 5 | 3 |
| 2007 | 1 | 3 |
| 2008 | 4 | 2 |
| 2009 | 3 | 2 |
| 2010 | 1 | 4 |
| 2011 | 0 | 1 |
| 2012 | 3 | 3 |
| 2013 | 3 | 1 |
| 2014 | 3 | 1 |
| 2015 | 0 | 3 |
| 2016 | 3 | 2 |
| 2017 | 4 | 2 |
| 2018 | 1 | 4 |
| 2019 | 4 | 3 |
| 2020 | 4 | 2 |
| 2021 | 4 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 2 |
| 2024 | 3 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydraulic system5 May 2026US 12,618,467 B2Kawasaki Jukogyo Kabushiki Kaisha
- Soil processing machine and method for operating a soil processing machine30 Apr 2024US 11,971,099 B2Hamm AG
- Loop flushing system for hydraulic units19 Mar 2024US 11,933,411 B2Danfoss Power Solutions GmbH & Co. OHG
- Cooling scheme for hydrostatic transmission5 Mar 2024US 11,920,677 B2Caterpillar Inc.
- Fluid flushing system for a hydraulic circuit of a work machine31 May 2022US 11,346,083 B1Caterpillar Inc.
- Hydraulic drive system25 Jun 2026US 2026/0177083 A1Hamm AG
- Hydraulic system27 Nov 2025US 2025/0361883 A1Kawasaki Jukogyo Kabushiki Kaisha
- Hydraulic system, mining vehicle and method24 Oct 2024US 2024/0352954 A1Sandvik Mining and Construction Oy
- Cooling scheme for hydrostatic transmission3 Aug 2023US 2023/0243419 A1Caterpillar Inc.
- Soil processing machine and method for operating a soil processing machine23 Mar 2023US 2023/0087782 A1Hamm AG
Most cited
By later US patents
- Hydraulic drive and steering systems for a vehicle48US 5,427,195 AInt. Silvatech Ltd. · 1995
- Hydraulic drive and steering systems for a vehicle35US 5,899,292 A1999
- Hydrostatic transmission26US 6,508,059 B1Kanzaki Kokyukoki Mfg.Co., Ltd. · 2003
- Work machine21US 8,495,870 B2Kubota Corporation · 2013
- Hydrostatic vehicle drive with control device and control device for hydrostatic drives17US 6,427,441 B2Sauer-Danfoss Inc. · 2002