H04N 7/18
Closed-circuit television [cctv] systems, i.e. systems in which the video signal is
Official title: Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
H04N7/18 (Closed-circuit television [cctv] systems, i.e. systems in which the video signal is) appears on 20,350 US grants and 25,482 published applications in this corpus.
Search patents in H04N- Granted patents
- 20,350
- Published applications
- 25,482
- Assignees
- 6,028
- Inventors
- 37,303
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 15 | 0 |
| 1978 | 9 | 0 |
| 1979 | 5 | 0 |
| 1980 | 12 | 0 |
| 1981 | 10 | 0 |
| 1982 | 9 | 0 |
| 1983 | 8 | 0 |
| 1984 | 6 | 0 |
| 1985 | 13 | 0 |
| 1986 | 8 | 0 |
| 1987 | 13 | 0 |
| 1988 | 11 | 0 |
| 1989 | 33 | 0 |
| 1990 | 34 | 0 |
| 1991 | 33 | 0 |
| 1992 | 35 | 0 |
| 1993 | 61 | 0 |
| 1994 | 73 | 0 |
| 1995 | 69 | 0 |
| 1996 | 61 | 0 |
| 1997 | 74 | 0 |
| 1998 | 99 | 0 |
| 1999 | 100 | 0 |
| 2000 | 91 | 0 |
| 2001 | 93 | 63 |
| 2002 | 110 | 224 |
| 2003 | 107 | 318 |
| 2004 | 164 | 395 |
| 2005 | 129 | 349 |
| 2006 | 146 | 403 |
| 2007 | 158 | 386 |
| 2008 | 170 | 407 |
| 2009 | 166 | 420 |
| 2010 | 213 | 443 |
| 2011 | 236 | 611 |
| 2012 | 367 | 709 |
| 2013 | 457 | 997 |
| 2014 | 606 | 1279 |
| 2015 | 896 | 1407 |
| 2016 | 1108 | 1642 |
| 2017 | 1264 | 1876 |
| 2018 | 1460 | 1974 |
| 2019 | 1943 | 1900 |
| 2020 | 1851 | 1796 |
| 2021 | 1703 | 1814 |
| 2022 | 1461 | 1637 |
| 2023 | 1338 | 1519 |
| 2024 | 1351 | 1266 |
| 2025 | 1268 | 1018 |
| 2026 | 690 | 629 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Identifying antenna communication issues using unmanned aerial vehicles6 Oct 2026US 12,755,530 B2DISH Network L.L.C.
- Drone based automated yard check6 Oct 2026US 12,755,539 B2BNSF Railway Company
- Intrusion detection system, intrusion detection method, and computer-readable medium6 Oct 2026US 12,755,621 B2NEC Corporation
- Video surveillance playback system with multi-tiered storage6 Oct 2026US 12,755,902 B2Cozaint Corporation
- Optical gas imaging camera with navigation and targeting control, learning and operating methods for the camera, and compliance auditing system6 Oct 2026US 12,756,796 B2
- Optical fiber waveguide in an endoscopic system for hyperspectral, fluorescence, and laser mapping imaging8 Oct 2026US 2026/0306023 A1Cilag GmbH International
- Apparatuses, systems, and methods for monitoring moving vehicles8 Oct 2026US 2026/0307693 A1Georgia Tech Research Corporation
- Information system and operation device8 Oct 2026US 2026/0308887 A1Kobelco Construction Machinery Co., Ltd.
- Gate Adapter System8 Oct 2026US 2026/0308978 A1
- Ethernet-attached ssd for automotive applications8 Oct 2026US 2026/0310613 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Video mirror systems incorporating an accessory module1,905US 6,690,268 B2Donnelly Corporation · 2004
- Automatic rearview mirror system using a photosensor array1,778US 5,550,677 ADonnelly Corporation · 1996
- Rearview vision system for vehicle including panoramic view1,778US 5,670,935 ADonnelly Corporation · 1997
- Vehicle headlight control using imaging sensor1,368US 5,796,094 ADonnelly Corporation · 1998
- Display enhancements for vehicle vision system1,367US 5,949,331 ADonnelly Corporation · 1999