G04G 21/02
Detectors of external physical values
Official title: Detectors of external physical values, e.g. temperature
G04G21/02 (Detectors of external physical values) appears on 943 US grants and 1,173 published applications in this corpus.
Search patents in G04G- Granted patents
- 943
- Published applications
- 1,173
- Assignees
- 294
- Inventors
- 2,184
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 10 | 0 |
| 1998 | 11 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 3 |
| 2002 | 4 | 2 |
| 2003 | 9 | 7 |
| 2004 | 5 | 12 |
| 2005 | 8 | 11 |
| 2006 | 11 | 7 |
| 2007 | 7 | 18 |
| 2008 | 14 | 8 |
| 2009 | 4 | 7 |
| 2010 | 4 | 8 |
| 2011 | 7 | 15 |
| 2012 | 9 | 9 |
| 2013 | 11 | 30 |
| 2014 | 16 | 17 |
| 2015 | 15 | 64 |
| 2016 | 28 | 68 |
| 2017 | 36 | 76 |
| 2018 | 57 | 85 |
| 2019 | 69 | 85 |
| 2020 | 79 | 112 |
| 2021 | 65 | 77 |
| 2022 | 65 | 74 |
| 2023 | 75 | 103 |
| 2024 | 81 | 89 |
| 2025 | 99 | 131 |
| 2026 | 51 | 55 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Wearable electronic device including module assembly comprising an optical sensor and wireless charging29 Sep 2026US 12,748,387 B2Samsung Electronics Co., Ltd.
- Sensing module and wearable device8 Sep 2026US 12,727,776 B2National Tsing Hua University
- Display unit with monitoring features8 Sep 2026US 12,730,339 B2Manufacturing Resources International, Inc.
- Electronic device25 Aug 2026US 12,714,365 B2Goertek Technology Co., Ltd.
- Wearable computing device having a biometric sensor electrode positioned on a display screen cover and operable as an antenna25 Aug 2026US 12,717,283 B2Fitbit, Inc.
- Wearable electronic device including electronic magnet8 Oct 2026US 2026/0310141 A1Samsung Electronics Co., Ltd.
- Wearable electronic device and method for operating same8 Oct 2026US 2026/0310256 A1Samsung Electronics Co., Ltd.
- Wearable device for alerting first responders8 Oct 2026US 2026/0311590 A1
- Smartwatch with enhanced screen activation and associated method1 Oct 2026US 2026/0299521 A1STMicroelectronics International N. V.
- Exterior member, method of manufacturing exterior member, and electronic device24 Sep 2026US 2026/0288081 A1Casio Computer Co., Ltd.
Most cited
By later US patents
- Measuring foot contact time and foot loft time of a person in locomotion700US 6,018,705 APersonal Electronic Devices, Inc. · 2000
- Patient monitoring system693US 3,972,320 A1976
- Personal physiological monitor670US 4,509,531 ATeledyne Industries, Inc. · 1985
- Monitoring activity of a user in locomotion on foot561US 6,611,789 B1Personal Electric Devices, Inc. · 2003
- Monitoring activity of a user in locomotion on foot554US 6,882,955 B1FitSense Technology, Inc. · 2005