F01P 7/06
By varying blade pitch
Official title: by varying blade pitch
F01P7/06 (By varying blade pitch) appears on 32 US grants and 29 published applications in this corpus.
Search patents in F01P- Granted patents
- 32
- Published applications
- 29
- Assignees
- 23
- Inventors
- 75
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 0 | 0 |
| 2011 | 1 | 2 |
| 2012 | 3 | 3 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 2 | 3 |
| 2021 | 2 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 4 |
| 2024 | 3 | 0 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydraulic position control arrangement6 Jan 2026US 12,516,677 B2Ie Assets GmbH & Co. KG
- System for operating a cooling device of a utility vehicle23 Dec 2025US 12,503,971 B2Deere & Company
- Apparatus and method for operating a vehicle cooling system2 Jul 2024US 12,025,048 B2Deere & Company
- Variable pitch fan control system21 May 2024US 11,988,132 B2Deere & Company
- Method for controlling the pitch angle of blades of an engine cooling fan6 Feb 2024US 11,891,943 B2CNH Industrial America LLC
- Work machine control system, work machine, and work machine control method20 Aug 2026US 2026/0243060 A1Komatsu Ltd.
- Working machine30 Oct 2025US 2025/0334067 A1Kubota Corporation
- Hydraulic position control arrangement26 Jun 2025US 2025/0207607 A1Ie Assets GmbH & Co. KG
- System for operating a cooling device of a utility vehicle26 Oct 2023US 2023/0340901 A1Deere & Company
- Variable Pitch Fan Control System5 Oct 2023US 2023/0313730 A1Deere & Company
Most cited
By later US patents
- Low noise fan97US 4,358,245 ABolt Beranek and Newman Inc. · 1982
- Control system for cooling fan assembly having variable pitch blades44US 6,253,716 B1Horton, Inc. · 2001
- Integrated fan assembly with variable pitch blades36US 6,109,871 AHorton, Inc. · 2000
- Sheet metal fan assembly19US 4,174,924 AWallace Murray Corporation · 1979
- Variable pitch radiator fan control system18US 8,162,086 B2Honda Motor Co., Ltd. · 2012