G05D 23/1912
Whose output amplitude can take more than two discrete values
Official title: {whose output amplitude can take more than two discrete values}
G05D23/1912 (Whose output amplitude can take more than two discrete values) appears on 212 US grants and 19 published applications in this corpus.
Search patents in G05D- Granted patents
- 212
- Published applications
- 19
- Assignees
- 99
- Inventors
- 343
- Latest grant
- 14 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 6 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 9 | 0 |
| 1982 | 12 | 0 |
| 1983 | 10 | 0 |
| 1984 | 13 | 0 |
| 1985 | 10 | 0 |
| 1986 | 9 | 0 |
| 1987 | 16 | 0 |
| 1988 | 8 | 0 |
| 1989 | 12 | 0 |
| 1990 | 6 | 0 |
| 1991 | 14 | 0 |
| 1992 | 11 | 0 |
| 1993 | 9 | 0 |
| 1994 | 9 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 2 |
| 2003 | 2 | 2 |
| 2004 | 1 | 3 |
| 2005 | 3 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Depilatory wax melting apparatus14 May 2024US 11,980,272 B2
- Air conditioner3 Dec 2019US 10,495,331 B2Fujitsu General Limited
- Depilatory wax melting apparatus26 Mar 2019US 10,238,200 B2
- Fan type temperature control method and device2 Dec 2014US 8,900,042 B2Zte Corporation
- Method and heating system for heating a fluid line system, particularly in a motor vehicle18 Nov 2014US 8,890,039 B2VOSS Automotive GmbH
- Depilatory wax melting apparatus7 Jan 2021US 2021/0000238 A1
- Depilatory wax melting apparatus30 May 2019US 2019/0159569 A1
- Depilatory wax melting apparatus15 Mar 2018US 2018/0070698 A1
- Air conditioner11 Jan 2018US 2018/0010816 A1Fujitsu General Limited
- Fan type temperature control method and device19 Jul 2012US 2012/0184199 A1Zte Corporation
Most cited
By later US patents
- Electronic programmable thermostat for a heating and cooling system with an oscillation control mechanism154US 5,038,851 AHunter Fan Company · 1991
- Flexible thermostat controller that permits various control point profiles when controlling multistage HVAC equipment131US 6,101,824 AHoneywell Inc. · 2000
- Method and apparatus for using single-stage thermostat to control two-stage cooling system121US 6,370,894 B1Carrier Corporation · 2002
- Apparatus and method for heating water for infusion and the like117US 5,183,998 AMr. Coffee, Inc. · 1993
- Method and apparatus for controlling capacity of a multiple-stage cooling system111US 5,265,434 A1993