F16D 2500/30802
Transmission oil properties
F16D2500/30802 (Transmission oil properties) appears on 127 US grants and 120 published applications in this corpus.
Search patents in F16D- Granted patents
- 127
- Published applications
- 120
- Assignees
- 75
- Inventors
- 342
- Latest grant
- 19 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 3 |
| 2004 | 4 | 5 |
| 2005 | 4 | 5 |
| 2006 | 5 | 7 |
| 2007 | 5 | 3 |
| 2008 | 3 | 8 |
| 2009 | 1 | 8 |
| 2010 | 3 | 7 |
| 2011 | 9 | 8 |
| 2012 | 6 | 7 |
| 2013 | 10 | 5 |
| 2014 | 7 | 8 |
| 2015 | 7 | 5 |
| 2016 | 7 | 2 |
| 2017 | 4 | 5 |
| 2018 | 4 | 6 |
| 2019 | 5 | 4 |
| 2020 | 8 | 8 |
| 2021 | 7 | 2 |
| 2022 | 4 | 6 |
| 2023 | 6 | 1 |
| 2024 | 3 | 3 |
| 2025 | 0 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Clutch controls for electric vehicle transmission with modular actuation system19 Nov 2024US 12,146,535 B2GM Global Technology Operations LLC
- Control device for gearbox1 Oct 2024US 12,104,689 B2Zf Wind Power Antwerpen N.V.
- System and method for driveline disconnect clutch de-stroking and prepositioning26 Mar 2024US 11,940,023 B2Ford Global Technologies, LLC
- Method of disengaging a clutching device and electric driveline7 Nov 2023US 11,808,314 B2Dana Belgium N.V.
- Compensation system and method for driveline disconnect clutch line pressure disturbances3 Oct 2023US 11,773,927 B1Ford Global Technologies, LLC
- Determining a clutch temperature of a vehicle clutch by means of on-demand activation of a neural network20 Aug 2026US 2026/0243314 A1ZF Friedrichshafen AG
- Clutch disc wear compensation method28 May 2026US 2026/0146655 A1Hyundai Wia Corporation
- Determining a clutch temperature of a vehicle clutch by means of a neural network30 Oct 2025US 2025/0334156 A1ZF Friedrichshafen AG
- Control device for gearbox8 Aug 2024US 2024/0263696 A1Zf Wind Power Antwerpen N.V.
- Clutch controls for electric vehicle transmission with modular actuation system16 May 2024US 2024/0159280 A1GM Global Technology Operations LLC
Most cited
By later US patents
- Control unit for an electric oil pump75US 7,909,729 B2Honda Motor Co., Ltd. · 2011
- Control strategy for an automatic transmission41US 6,299,565 B1Ford Global Technologies, LLC · 2001
- Transmission control system36US 6,684,148 B2NACCO Materials Handling Group, Inc. · 2004
- Clutch temperature estimation for a mobile machine28US 8,731,793 B2Caterpillar Inc. · 2014
- Process for regulating a clutch27US 5,190,130 AZahnradfabrik Friedrichshafen AG · 1993