F02B 67/04
Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided
Official title: of mechanically-driven auxiliary apparatus
F02B67/04 (Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided) appears on 1,031 US grants and 805 published applications in this corpus.
Search patents in F02B- Granted patents
- 1,031
- Published applications
- 805
- Assignees
- 347
- Inventors
- 1,881
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 10 | 0 |
| 1979 | 3 | 0 |
| 1980 | 9 | 0 |
| 1981 | 14 | 0 |
| 1982 | 8 | 0 |
| 1983 | 6 | 0 |
| 1984 | 20 | 0 |
| 1985 | 12 | 0 |
| 1986 | 15 | 0 |
| 1987 | 14 | 0 |
| 1988 | 13 | 0 |
| 1989 | 20 | 0 |
| 1990 | 13 | 0 |
| 1991 | 18 | 0 |
| 1992 | 14 | 0 |
| 1993 | 19 | 0 |
| 1994 | 11 | 0 |
| 1995 | 8 | 0 |
| 1996 | 12 | 0 |
| 1997 | 15 | 0 |
| 1998 | 31 | 0 |
| 1999 | 16 | 0 |
| 2000 | 14 | 0 |
| 2001 | 20 | 18 |
| 2002 | 20 | 24 |
| 2003 | 26 | 30 |
| 2004 | 20 | 21 |
| 2005 | 20 | 18 |
| 2006 | 21 | 25 |
| 2007 | 12 | 22 |
| 2008 | 11 | 23 |
| 2009 | 10 | 24 |
| 2010 | 17 | 18 |
| 2011 | 12 | 22 |
| 2012 | 18 | 26 |
| 2013 | 25 | 38 |
| 2014 | 25 | 42 |
| 2015 | 38 | 47 |
| 2016 | 33 | 47 |
| 2017 | 45 | 59 |
| 2018 | 33 | 72 |
| 2019 | 60 | 61 |
| 2020 | 71 | 37 |
| 2021 | 50 | 39 |
| 2022 | 25 | 34 |
| 2023 | 36 | 20 |
| 2024 | 31 | 20 |
| 2025 | 18 | 12 |
| 2026 | 9 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Belt drive system for centrifugal pump priming accessories29 Sep 2026US 12,747,690 B2Cornell Pump Company
- Low noise power systems and associated methods8 Sep 2026US 12,729,750 B2Illinois Tool Works Inc.
- Power systems and enclosures having an improved compressor drive14 Jul 2026US 12,680,494 B2Illinois Tool Works Inc.
- Decoupler with torque-limiting feature to protect components thereof14 Apr 2026US 12,601,381 B2Litens Automotive Partnership
- Vehicle24 Mar 2026US 12,583,307 B2Honda Motor Co., Ltd.
- Efficient heat dissipation device for engine1 Oct 2026US 2026/0298129 A1Chongqing Hudson New Energy Co., Ltd.
- Prime mover systems including variable speed clutches for alternators and methods of controlling same17 Sep 2026US 2026/0280456 A1Cummins Inc.
- Method for identifying belt slip in a starting system comprising bisg28 May 2026US 2026/0146664 A1Ford Global Technologies, LLC
- Accessory Rotary Drive System and Method16 Apr 2026US 2026/0103073 A1TSI Products, Inc.
- Vehicle power network management26 Mar 2026US 2026/0084639 A1Daimler Truck North America LLC
Most cited
By later US patents
- Centrifugally controlled toroidal transmission232US 3,996,807 ACam Gears Limited · 1976
- Transmission and constant speed accessory drive180US 7,086,981 B2The Gates Corporation · 2006
- Belt tensioner with pivot bushing163US 6,682,452 B2Dayco Products, Inc. · 2004
- Serpentine drive system with improved over-running alternator decoupler130US 6,083,130 ALitens Automotive Partnership · 2000
- Technologies for transportation125US 10,058,764 B22018