H04L 5/20
Arrangements affording multiple use of the transmission path: using different combinations of
Official title: using different combinations of lines, e.g. phantom working
H04L5/20 (Arrangements affording multiple use of the transmission path: using different combinations of) appears on 135 US grants and 96 published applications in this corpus.
Search patents in H04L- Granted patents
- 135
- Published applications
- 96
- Assignees
- 84
- Inventors
- 207
- Latest grant
- 2 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 0 |
| 2002 | 4 | 5 |
| 2003 | 4 | 5 |
| 2004 | 3 | 3 |
| 2005 | 3 | 6 |
| 2006 | 4 | 10 |
| 2007 | 4 | 5 |
| 2008 | 8 | 5 |
| 2009 | 6 | 7 |
| 2010 | 7 | 4 |
| 2011 | 9 | 6 |
| 2012 | 6 | 4 |
| 2013 | 6 | 6 |
| 2014 | 6 | 4 |
| 2015 | 5 | 6 |
| 2016 | 5 | 5 |
| 2017 | 6 | 5 |
| 2018 | 7 | 3 |
| 2019 | 1 | 3 |
| 2020 | 3 | 3 |
| 2021 | 2 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Fallback authorization routing2 Apr 2024US 11,948,147 B2Visa International Service Association
- Fallback authorization routing1 Mar 2022US 11,263,628 B2Visa International Service Association
- Method and apparatus for transmitting data from a transmitter device to one or more receiver devices11 May 2021US 11,006,002 B2British Telecommunications Public Ltd.Co.
- Method and apparatus for transmitting signals over wire connections4 May 2021US 10,998,933 B2British Telecommunications Public Ltd.Co.
- Method and apparatus for transmitting signals over a wire connection27 Oct 2020US 10,819,498 B2British Telecommunications Public Ltd.Co.
- Fallback authorization routing12 May 2022US 2022/0147991 A1Visa International Service Association
- Method and apparatus for transmitting signals over a wire connection23 Jan 2020US 2020/0028660 A1British Telecommunications Public Ltd.Co.
- Method and apparatus for transmitting data from a transmitter device to one or more receiver devices23 Jan 2020US 2020/0028972 A1British Telecommunications Public Ltd.Co.
- Method and apparatus for transmitting signals over wire connections16 Jan 2020US 2020/0021331 A1British Telecommunications Public Ltd.Co.
- Method and apparatus for transmitting data over metallic wire pairs18 Jul 2019US 2019/0222257 A1British Telecommunications Public Ltd.Co.
Most cited
By later US patents
- Apparatus and method for multilevel signaling235US 6,005,895 ARambus Inc. · 1999
- Apparatus and method for multilevel signaling218US 6,359,931 B1Rambus Inc. · 2002
- System and method for transporting high-bandwidth signals over electrically conducting transmission lines185US 5,553,097 AInternational Business Machines Corporation · 1996
- Modal propagation of information through a defined transmission medium173US 5,412,689 AInternational Business Machines Corporation · 1995
- Telephone communication system and method over local area network wiring163US 6,961,303 B1Serconet Ltd. · 2005