F01P 11/029
Expansion reservoirs
Official title: {Expansion reservoirs}
F01P11/029 (Expansion reservoirs) appears on 359 US grants and 353 published applications in this corpus.
Search patents in F01P- Granted patents
- 359
- Published applications
- 353
- Assignees
- 195
- Inventors
- 880
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 13 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 7 | 0 |
| 2000 | 10 | 0 |
| 2001 | 12 | 2 |
| 2002 | 8 | 10 |
| 2003 | 13 | 12 |
| 2004 | 8 | 10 |
| 2005 | 8 | 12 |
| 2006 | 12 | 11 |
| 2007 | 7 | 6 |
| 2008 | 4 | 7 |
| 2009 | 2 | 8 |
| 2010 | 3 | 10 |
| 2011 | 5 | 7 |
| 2012 | 5 | 7 |
| 2013 | 5 | 7 |
| 2014 | 5 | 3 |
| 2015 | 4 | 13 |
| 2016 | 4 | 13 |
| 2017 | 8 | 20 |
| 2018 | 18 | 16 |
| 2019 | 14 | 19 |
| 2020 | 16 | 17 |
| 2021 | 22 | 13 |
| 2022 | 22 | 31 |
| 2023 | 18 | 24 |
| 2024 | 15 | 30 |
| 2025 | 27 | 24 |
| 2026 | 10 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquid tank for a liquid system of a vehicle, liquid system, and vehicle6 Oct 2026US 12,752,620 B2Hella GmbH & Co. KGaA
- Integrated cooling module30 Jun 2026US 12,668,099 B2Hanon Systems
- Fluid management apparatus and heat management system2 Jun 2026US 12,643,391 B2Zhejiang Sanhua Automotive Components Co., Ltd.
- Reservoir tank for integrated heat management, and integrated heat management module comprising same19 May 2026US 12,630,054 B2Hyundai Wia Corporation
- Active coolant monitoring and leak mitigation in vehicle cooling systems14 Apr 2026US 12,601,288 B2Volvo Truck Corporation
- Reservoir tank and coolant module including the same8 Oct 2026US 2026/0309070 A1Hanon Systems
- Coolant manifold for an engine cooling system27 Aug 2026US 2026/0251086 A1Cummins Inc.
- System and method for managing temperature in an engine of a vehicle13 Aug 2026US 2026/0235089 A1Brp-Rotax GmbH & Co. KG
- Fan control unit for a modular cooling system16 Jul 2026US 2026/0201826 A1AB Volvo Penta
- Coolant expansion tank for fuel cell stack vehicle cooling system2 Jul 2026US 2026/0188711 A1Volvo Truck Corporation
Most cited
By later US patents
- Cooling system for work vehicle72US 6,129,056 ACase Corporation · 2000
- Compact heat exchanger-ventilation unit for a vehicle55US 5,234,051 AKlockner-Humboldt-Deutz Aktiengesellschaft · 1993
- Combined air box, coolant reservoir and oil tank for snowmobiles55US 6,247,442 B1Polaris Industries Inc. · 2001
- Hybrid vehicle powertrain thermal management system and method for cabin heating and engine warm up52US 6,616,059 B2Visteon Global Technologies, Inc. · 2003
- Device and method for cooling and preheating50US 6,196,168 B1Bayerische Motoren Werke Aktiengesellschaft · 2001