F05B 2270/706
Proportional-integral-differential
Official title: proportional-integral-differential
F05B2270/706 (Proportional-integral-differential) appears on 40 US grants and 40 published applications in this corpus.
Search patents in F05B- Granted patents
- 40
- Published applications
- 40
- Assignees
- 31
- Inventors
- 85
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 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 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 4 |
| 2010 | 2 | 4 |
| 2011 | 5 | 2 |
| 2012 | 1 | 2 |
| 2013 | 2 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 3 |
| 2016 | 1 | 3 |
| 2017 | 2 | 2 |
| 2018 | 3 | 3 |
| 2019 | 3 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 2 |
| 2023 | 1 | 2 |
| 2024 | 4 | 0 |
| 2025 | 2 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for predictive control of a wind turbine10 Mar 2026US 12,571,371 B2GE Vernova Renovables Espana, S.L.
- Wind turbine with integrated battery storage18 Nov 2025US 12,476,468 B2KK Wind Solutions A/S
- Method and system for calculating stability margin domain of control parameters of hydraulic turbine regulating system14 Jan 2025US 12,196,174 B1Huazhong University of Science and Technology
- Wind turbine with integrated battery storage26 Nov 2024US 12,155,218 B2KK Wind Solutions A/S
- Individual blade adjustment in a wind power installation28 May 2024US 11,994,104 B2Wobben Properties GmbH
- Automation and control system applied to energy generation systems in hydroelectric plants1 Oct 2026US 2026/0298193 A1Reivax AutomaçãO E Controle Ltda.
- Method and system for predictive control of a wind turbine19 Jun 2025US 2025/0198379 A1General Electric Renovables Espana, S.L.
- Energy recovery system10 Apr 2025US 2025/0116260 A1John Bean Technologies (Proprietary) Limited
- Wind turbine with integrated battery storage10 Apr 2025US 2025/0118969 A1KK Wind Solutions A/S
- Wind turbine with integrated battery storage23 Nov 2023US 2023/0378761 A1KK Wind Solutions A/S
Most cited
By later US patents
- Wind turbine generator pitch control system102US 4,160,170 AUnited Technologies Corporation · 1979
- Variable speed wind turbine generator102US 6,420,795 B1Zond Energy Systems, Inc. · 2002
- Multi-mode control system for wind turbines100US 4,193,005 AUnited Technologies Corporation · 1980
- Wind turbine generator acceleration control82US 4,189,648 AUnited Technologies Corporation · 1980
- Variable speed wind turbine generator82US 6,856,039 B2General Electric Company · 2005