G05D 23/1906
Using an analogue comparing device
Official title: {using an analogue comparing device}
G05D23/1906 (Using an analogue comparing device) appears on 808 US grants and 162 published applications in this corpus.
Search patents in G05D- Granted patents
- 808
- Published applications
- 162
- Assignees
- 409
- Inventors
- 1,256
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 32 | 0 |
| 1977 | 23 | 0 |
| 1978 | 24 | 0 |
| 1979 | 11 | 0 |
| 1980 | 26 | 0 |
| 1981 | 31 | 0 |
| 1982 | 34 | 0 |
| 1983 | 38 | 0 |
| 1984 | 38 | 0 |
| 1985 | 25 | 0 |
| 1986 | 32 | 0 |
| 1987 | 36 | 0 |
| 1988 | 27 | 0 |
| 1989 | 37 | 0 |
| 1990 | 24 | 0 |
| 1991 | 39 | 0 |
| 1992 | 21 | 0 |
| 1993 | 25 | 0 |
| 1994 | 31 | 0 |
| 1995 | 14 | 0 |
| 1996 | 10 | 0 |
| 1997 | 12 | 0 |
| 1998 | 16 | 0 |
| 1999 | 18 | 0 |
| 2000 | 21 | 0 |
| 2001 | 14 | 8 |
| 2002 | 26 | 15 |
| 2003 | 15 | 9 |
| 2004 | 9 | 11 |
| 2005 | 6 | 14 |
| 2006 | 10 | 10 |
| 2007 | 7 | 10 |
| 2008 | 8 | 6 |
| 2009 | 4 | 8 |
| 2010 | 5 | 12 |
| 2011 | 4 | 10 |
| 2012 | 10 | 5 |
| 2013 | 6 | 5 |
| 2014 | 7 | 4 |
| 2015 | 4 | 1 |
| 2016 | 0 | 2 |
| 2017 | 3 | 3 |
| 2018 | 1 | 3 |
| 2019 | 4 | 6 |
| 2020 | 2 | 5 |
| 2021 | 5 | 3 |
| 2022 | 5 | 3 |
| 2023 | 2 | 1 |
| 2024 | 3 | 5 |
| 2025 | 3 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- Hybrid line volt two-wire thermostat28 Jan 2025US 12,209,763 B2Ademco Inc.
- Thermostat switch assembly with thermal insulator for protection against overheating24 Dec 2024US 12,176,646 B2Emicol Eletro Eletronica S.A.
- Heating control circuit and electric blanket configured with heating control circuit8 Oct 2024US 12,114,400 B2North Star Home LLC
- Temperature control system for hot surface igniter21 May 2026US 2026/0139835 A1Chongqing Le-Mark Technology Co
- Voltage reference circuit, integrated circuit, and method for generating a reference voltage5 Feb 2026US 2026/0037011 A1Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- A temperature monitoring system30 Jan 2025US 2025/0039990 A1Micromass UK Limited
- Method for controlling a heating device comprising a ptc heating resistor24 Oct 2024US 2024/0353876 A1
- Hybrid line volt two-wire thermostat13 Jun 2024US 2024/0195403 A1Ademco Inc.
Most cited
By later US patents
- Heater-sensor complex502US 6,054,678 AHakko Corporation · 2000
- Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor194US 6,047,557 ACopeland Corporation · 2000
- Thermal protection apparatus for a secure electronic appliance, in particular a postage meter190US 5,659,454 ANeopost Industrie · 1997
- Energy-conserving thermostat and method188US 5,244,146 AHomebrain, Inc. · 1993
- Thermostat with adaptive operating cycle180US 4,408,711 A1983