H04B 2203/547
Via dc power distribution
Official title: via DC power distribution
H04B2203/547 (Via dc power distribution) appears on 383 US grants and 362 published applications in this corpus.
Search patents in H04B- Granted patents
- 383
- Published applications
- 362
- Assignees
- 287
- Inventors
- 789
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 2 |
| 2002 | 6 | 11 |
| 2003 | 9 | 14 |
| 2004 | 9 | 25 |
| 2005 | 9 | 16 |
| 2006 | 17 | 26 |
| 2007 | 18 | 13 |
| 2008 | 12 | 21 |
| 2009 | 8 | 16 |
| 2010 | 10 | 15 |
| 2011 | 18 | 9 |
| 2012 | 16 | 25 |
| 2013 | 15 | 27 |
| 2014 | 15 | 24 |
| 2015 | 22 | 20 |
| 2016 | 21 | 20 |
| 2017 | 27 | 8 |
| 2018 | 15 | 6 |
| 2019 | 14 | 10 |
| 2020 | 11 | 14 |
| 2021 | 11 | 12 |
| 2022 | 9 | 12 |
| 2023 | 5 | 6 |
| 2024 | 16 | 6 |
| 2025 | 5 | 3 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cableway with a vehicle having a closure drive and failsafe locking monitoring17 Mar 2026US 12,576,897 B2Innova Patent GmbH
- Method and apparatus to enable communication and control in a power system10 Feb 2026US 12,549,220 B2Solaredge Technologies Ltd.
- Bus station, bus system, and method for transmitting data in a two-wire bus system10 Feb 2026US 12,549,221 B2Robert Bosch GmbH
- Method and device for supplying electrical power to two or more technical devices25 Nov 2025US 12,483,295 B2Think and Vision GmbH
- Circuits and methods for wearable device charging and wired control28 Oct 2025US 12,456,874 B2Snap Inc.
- Circuits and methods for wearable device charging and wired control15 Jan 2026US 2026/0018912 A1Snap Inc.
- Controller area network (can) bus to power line carrier (plc) systems and methods1 May 2025US 2025/0141493 A1Enatel
- Circuits and methods for wearable device charging and wired control3 Apr 2025US 2025/0112477 A1Snap Inc.
- Method and Apparatus to Enable Communication and Control in a Power System9 Jan 2025US 2025/0015835 A1Solaredge Technologies Ltd.
- Magnetic Flux Cancellation for Power Line Communications24 Oct 2024US 2024/0355520 A1Solaredge Technologies Ltd.
Most cited
By later US patents
- System and method for data retrieval in AC power tools via an AC line cord1,103US 7,346,406 B2Black & Decker Inc. · 2008
- Power transfer apparatus for concurrently transmitting data and power over data wires575US 5,994,998 A3Com Corporation · 1999
- Power transfer apparatus for concurrently transmitting data and power over data wires430US 6,140,911 A3Com Corporation · 2000
- Power feed for Ethernet telephones via Ethernet link275US 6,115,468 ACisco Technology, Inc. · 2000
- Digital data transmission253US 5,210,519 ABritish Aerospace Public Limited Company · 1993