F02M 7/20
Operated automatically
Official title: operated automatically, e.g. dependent on altitude
F02M7/20 (Operated automatically) appears on 84 US grants and 12 published applications in this corpus.
Search patents in F02M- Granted patents
- 84
- Published applications
- 12
- Assignees
- 38
- Inventors
- 116
- Latest grant
- 20 Oct 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 7 | 0 |
| 1980 | 8 | 0 |
| 1981 | 6 | 0 |
| 1982 | 13 | 0 |
| 1983 | 8 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 2 |
| 2016 | 0 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 3 |
| 2020 | 3 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for obtaining information for adjusting an adjustable component of a combustion engine drive system of a gardening and/or forestry apparatus, gardening and/or forestry apparatus system, and gardening and/or forestry apparatus20 Oct 2020US 10,808,632 B2Andreas Stihl AG & CO.KG
- Automatic control systems for frost fans25 Aug 2020US 10,753,366 B2
- Layered diaphragm26 May 2020US 10,662,899 B2Walbro Corporation
- Altitude fuel limiter for engine and method of using the same19 Sep 2017US 9,765,708 B2AVL Powertrain Engineering, Inc.
- Underwater gas field development methods and systems30 May 2017US 9,664,019 B2S.G.B.D. Technologies Ltd.
- Electronic Metering Rod Actuator for Carburetor19 Jun 2025US 2025/0198369 A1Kimberlyte Holdings, LLC
- Automatic control systems for frost fans2 May 2019US 2019/0128269 A1
- Layered diaphragm21 Feb 2019US 2019/0055903 A1Walbro Corporation
- Method for Obtaining Information for Adjusting an Adjustable Component of a Combustion Engine Drive System of a Gardening and/or Forestry Apparatus, Gardening and/or Forestry Apparatus System, and Gardening and/or Forestry Apparatus10 Jan 2019US 2019/0010880 A1Andreas Stihl AG & CO.KG
- Altitude Fuel Limiter for Engine and Method of Using the Same21 May 2015US 2015/0136081 A1AVL Powertrain Engineering, Inc.
Most cited
By later US patents
- Engine with dual sensor closed loop fuel control109US 3,939,654 AGeneral Motors Corporation · 1976
- Fuel control with learning capability for motor vehicle combustion engine86US 4,235,204 AGeneral Motors Corporation · 1980
- Carburetor and method and apparatus for controlling air/fuel ratio of same57US 5,611,312 AWalbro Corporation · 1997
- Adapter means for creating an open loop manually adjustable apparatus and system for selectively controlling the air-fuel ratio supplied to a combustion engine54US 4,556,032 AColt Industries Operating Corp. · 1985
- Apparatus and system for controlling the air-fuel ratio supplied to a combustion engine43US 4,246,875 AColt Industries Operating Corp. · 1981