G08C 23/00
Non-electrical signal transmission systems
Official title: Non-electrical signal transmission systems, e.g. optical systems
G08C23/00 (Non-electrical signal transmission systems) appears on 1,981 US grants and 2,273 published applications in this corpus.
Search patents in G08C- Granted patents
- 1,981
- Published applications
- 2,273
- Assignees
- 1,024
- Inventors
- 4,131
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 8 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 8 | 0 |
| 1983 | 9 | 0 |
| 1984 | 11 | 0 |
| 1985 | 8 | 0 |
| 1986 | 8 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 13 | 0 |
| 1990 | 14 | 0 |
| 1991 | 10 | 0 |
| 1992 | 14 | 0 |
| 1993 | 15 | 0 |
| 1994 | 11 | 0 |
| 1995 | 12 | 0 |
| 1996 | 17 | 0 |
| 1997 | 13 | 0 |
| 1998 | 11 | 0 |
| 1999 | 16 | 0 |
| 2000 | 19 | 0 |
| 2001 | 16 | 13 |
| 2002 | 21 | 45 |
| 2003 | 22 | 46 |
| 2004 | 37 | 50 |
| 2005 | 26 | 75 |
| 2006 | 39 | 82 |
| 2007 | 32 | 85 |
| 2008 | 27 | 93 |
| 2009 | 36 | 87 |
| 2010 | 45 | 98 |
| 2011 | 64 | 103 |
| 2012 | 74 | 87 |
| 2013 | 65 | 114 |
| 2014 | 81 | 142 |
| 2015 | 98 | 159 |
| 2016 | 116 | 138 |
| 2017 | 155 | 158 |
| 2018 | 145 | 147 |
| 2019 | 147 | 121 |
| 2020 | 105 | 106 |
| 2021 | 101 | 83 |
| 2022 | 80 | 82 |
| 2023 | 68 | 62 |
| 2024 | 68 | 40 |
| 2025 | 43 | 39 |
| 2026 | 23 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Remote control (infrared transmitter) including reflector with edge22 Sep 2026US 12,743,950 B2Kabushiki Kaisha Keijitsu
- Systems and methods for managing remote control units and paired devices15 Sep 2026US 12,739,646 B2DISH Network Technologies India Private Limited
- Vehicle controller25 Aug 2026US 12,715,375 B2Toyota Jidosha Kabushiki Kaisha
- Display device for controlling multiple devices with one controller and method for operating the same25 Aug 2026US 12,717,536 B2Samsung Electronics Co., Ltd.
- High bandwidth and low latency hybrid communication techniques for a navigation system18 Aug 2026US 12,708,455 B2Stryker Corporation
- Frequency domain opposed-mode photoelectric sensor24 Sep 2026US 2026/0287781 A1Banner Engineering Corp.
- Pulsed magnetic field telemetry to communicate with a downhole inflow valve20 Aug 2026US 2026/0243162 A1Halliburton Energy Services.Inc.
- Display device and detection method for touch operation and remote control operation20 Aug 2026US 2026/0245451 A1Sharp Kabushiki Kaisha
- Electronic device, remote control device and controlling method thereof30 Jul 2026US 2026/0223218 A1Samsung Electronics Co., Ltd.
- Externally controlled indicator16 Jul 2026US 2026/0202049 A1Milwaukee Electric Tool Corporation
Most cited
By later US patents
- Programmable remote control device for interacting with a plurality of remotely controlled devices1,549US 5,410,326 A1995
- Portable internet-enabled controller and information browser for consumer devices812US 6,104,334 AeRemote, Inc. · 2000
- Method and apparatus for sensing a condition in a transmission medium of electromagnetic waves478US 9,768,833 B2AT&T Intellectual Property I, L. P. · 2017
- Remote control device with a graphical user interface394US 6,127,941 ASony Corporation · 2000
- Battery with electronic compartment392US 8,310,201 B1Cypress Semiconductor Corporation · 2012