F01P 11/14
Indicating devices
Official title: Indicating devices; Other safety devices
F01P11/14 (Indicating devices) appears on 970 US grants and 733 published applications in this corpus.
Search patents in F01P- Granted patents
- 970
- Published applications
- 733
- Assignees
- 345
- Inventors
- 2,002
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 10 | 0 |
| 1984 | 12 | 0 |
| 1985 | 18 | 0 |
| 1986 | 19 | 0 |
| 1987 | 26 | 0 |
| 1988 | 9 | 0 |
| 1989 | 7 | 0 |
| 1990 | 15 | 0 |
| 1991 | 7 | 0 |
| 1992 | 14 | 0 |
| 1993 | 11 | 0 |
| 1994 | 14 | 0 |
| 1995 | 14 | 0 |
| 1996 | 16 | 0 |
| 1997 | 11 | 0 |
| 1998 | 19 | 0 |
| 1999 | 13 | 0 |
| 2000 | 15 | 0 |
| 2001 | 25 | 5 |
| 2002 | 17 | 33 |
| 2003 | 30 | 19 |
| 2004 | 29 | 31 |
| 2005 | 23 | 26 |
| 2006 | 23 | 23 |
| 2007 | 8 | 11 |
| 2008 | 14 | 18 |
| 2009 | 13 | 16 |
| 2010 | 10 | 21 |
| 2011 | 12 | 13 |
| 2012 | 12 | 24 |
| 2013 | 15 | 25 |
| 2014 | 21 | 23 |
| 2015 | 22 | 49 |
| 2016 | 25 | 52 |
| 2017 | 50 | 57 |
| 2018 | 66 | 64 |
| 2019 | 57 | 60 |
| 2020 | 68 | 49 |
| 2021 | 49 | 16 |
| 2022 | 36 | 19 |
| 2023 | 22 | 33 |
| 2024 | 19 | 16 |
| 2025 | 16 | 13 |
| 2026 | 8 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heat management system and heat management method of an internal combustion engine1 Sep 2026US 12,723,535 B2Ino8 Pty Ltd.
- Method and system for diagnosing thermostat fault of engine cooling system11 Aug 2026US 12,704,087 B2Hyundai Motor Company
- Method and apparatus for detecting the operation of an engine-independent auxiliary heater and for diagnosing a coolant temperature of a motor vehicle4 Aug 2026US 12,697,855 B2Volkswagen Aktiengesellschaft
- Utility vehicle21 Jul 2026US 12,687,224 B2Kubota Corporation
- System for and method of controlling watercraft7 Jul 2026US 12,674,408 B2Yamaha Hatsudoki Kabushuki Kaisha
- Fluid distributor valve with temperature sensor1 Oct 2026US 2026/0298127 A1Stoneridge Control Devices, Inc.
- A coolant system for a vehicle1 Oct 2026US 2026/0298128 A1Volvo Truck Corporation
- Integrated control apparatus for vehicle cooling fluid module and control method thereof17 Sep 2026US 2026/0275898 A1Hanon Systems
- Adaptive control of a water pump in a marine propulsion system10 Sep 2026US 2026/0266210 A1Vision Marine Technologies
- Engine cooling device3 Sep 2026US 2026/0258750 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Hybrid electric vehicle regenerative braking energy recovery system317US 5,291,960 AFord Motor Company · 1994
- Thermal energy storage and delivery system141US 6,059,016 AStore Heat and Produce Energy, Inc. · 2000
- Auxiliary heating and air conditioning system for a motor vehicle139US 5,901,572 ARocky Research · 1999
- Thermal management systems and methods118US 7,147,071 B2Battelle Energy Alliance, LLC · 2006
- Method of thermal management for a hybrid vehicle113US 6,464,027 B1Visteon Global Technologies, Inc. · 2002