F16H 57/0408
Exchange, draining or filling of transmission lubricant
Official title: {Exchange, draining or filling of transmission lubricant}
F16H57/0408 (Exchange, draining or filling of transmission lubricant) appears on 170 US grants and 142 published applications in this corpus.
Search patents in F16H- Granted patents
- 170
- Published applications
- 142
- Assignees
- 104
- Inventors
- 368
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 10 | 0 |
| 2001 | 8 | 3 |
| 2002 | 7 | 4 |
| 2003 | 4 | 5 |
| 2004 | 2 | 3 |
| 2005 | 6 | 3 |
| 2006 | 3 | 4 |
| 2007 | 2 | 4 |
| 2008 | 1 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 7 |
| 2011 | 3 | 2 |
| 2012 | 4 | 4 |
| 2013 | 3 | 4 |
| 2014 | 2 | 3 |
| 2015 | 3 | 7 |
| 2016 | 6 | 5 |
| 2017 | 3 | 3 |
| 2018 | 8 | 4 |
| 2019 | 5 | 10 |
| 2020 | 5 | 5 |
| 2021 | 3 | 13 |
| 2022 | 11 | 11 |
| 2023 | 8 | 12 |
| 2024 | 8 | 6 |
| 2025 | 12 | 11 |
| 2026 | 11 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gear arrangement for a handheld electrical apparatus, and handheld electrical apparatus having the gear arrangement15 Sep 2026US 12,736,127 B2Andreas Stihl AG & CO.KG
- Use of dynamic pressure to control fluid bleed system23 Jun 2026US 12,663,069 B2Schaeffler Technologies AG & Co. KG
- Lift mechanisms for mobile drive units having improved serviceability and durability9 Jun 2026US 12,649,404 B1Amazon Technologies, Inc.
- Autonomous oil change system19 May 2026US 12,631,134 B2Rpm Industries, LLC
- In-wheel motor12 May 2026US 12,623,530 B2Toyota Jidosha Kabushiki Kaisha
- Electric working device and electric mowing device24 Sep 2026US 2026/0283075 A1Nanjing Chervon Industry Co., Ltd.
- Method and apparatus for flushing contaminants from a container of fluids13 Aug 2026US 2026/0235200 A1
- Gearbox assembly with lubricant extraction volume ratio9 Jul 2026US 2026/0194135 A1GE Avio S. r. l.
- Vehicle drive device14 May 2026US 2026/0132846 A1Aisin Corporation
- Use of dynamic pressure to control fluid bleed system22 Jan 2026US 2026/0022761 A1Schaeffler Technologies AG & Co. KG
Most cited
By later US patents
- Auto-loading fluid exchanger and method of use114US 6,446,682 B12002
- Transmission fluid changer66US 5,318,080 A1994
- Apparatus and method for cleaning an automotive automatic transmission54US 6,112,855 AWynn Oil Company · 2000
- Apparatus for servicing automatic transmissions and the like52US 5,370,160 A1994
- Hand held transmission fluid changer52US 5,535,849 AFlo-Dynamics, Inc. · 1996