F02D 41/2403
Using essentially up/down counters
Official title: {using essentially up/down counters}
F02D41/2403 (Using essentially up/down counters) appears on 124 US grants and 81 published applications in this corpus.
Search patents in F02D- Granted patents
- 124
- Published applications
- 81
- Assignees
- 75
- Inventors
- 283
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 2 | 4 |
| 2009 | 4 | 3 |
| 2010 | 3 | 1 |
| 2011 | 1 | 2 |
| 2012 | 0 | 7 |
| 2013 | 5 | 6 |
| 2014 | 4 | 3 |
| 2015 | 8 | 3 |
| 2016 | 5 | 8 |
| 2017 | 4 | 3 |
| 2018 | 4 | 8 |
| 2019 | 6 | 7 |
| 2020 | 7 | 4 |
| 2021 | 8 | 5 |
| 2022 | 4 | 2 |
| 2023 | 4 | 4 |
| 2024 | 3 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- In-vehicle device, program, and information processing method17 Feb 2026US 12,552,334 B2Nissan Motor Co., Ltd.
- Identifying and counting common rail fuel system pressure relief valve opening events9 Dec 2025US 12,492,672 B1Caterpillar Inc.
- Motor vehicle sensor diagnostics and cleaning method17 Dec 2024US 12,168,947 B2Vitesco Technologies GmbH
- Computer for diagnosing clogging of a probe for a vehicle19 Nov 2024US 12,146,430 B2Vitesco Technologies GmbH
- Diagnosing apparatus and diagnosing method for internal combustion engine15 Oct 2024US 12,117,366 B2Toyota Jidosha Kabushiki Kaisha
- Method for determining condition of exhaust system, and device for determining condition of exhaust system3 Sep 2026US 2026/0258746 A1Nissan Motor Co., Ltd.
- Method for processing an electrical signal, and control device for a camshaft adjuster or internal combustion engine for carrying out the method20 Aug 2026US 2026/0243181 A1Schaeffler Technologies AG & Co. KG
- System and related methods for fuel pressure monitoring11 Jun 2026US 2026/0160217 A1Caterpillar Inc.
- Motor vehicle sensor diagnostics and cleaning method22 Aug 2024US 2024/0280043 A1Vitesco Technologies GmbH
- In-vehicle device, program, and information processing method6 Jun 2024US 2024/0181982 A1Nissan Motor Co., Ltd.
Most cited
By later US patents
- Warm up control for closed loop engine roughness fuel control77US 4,197,767 AThe Bendix Corporation · 1980
- Closed loop timing and fuel distribution controls70US 4,357,662 AThe Bendix Corporation · 1982
- Apparatus and method for successively inactivating the cylinders of an electronically fuel-injected internal combustion engine in response to sensed engine load64US 4,064,844 ANissan Motor Co., Ltd. · 1977
- Method and apparatus to determine the timing of a periodically repetitive event with respect to the position of a rotating body, and more particularly ignition timing, fuel injection timing, and the like, in automotive internal combustion engines62US 4,099,495 ARobert Bosch GmbH · 1978
- Method and apparatus for controlling a fuel injector assembly of an internal combustion engine47US 6,026,786 ACaterpillar Inc. · 2000