G08C 19/38
Electric signal transmission systems: using dynamo-electric devices
Official title: using dynamo-electric devices (operated by pulses G08C19/20)
G08C19/38 (Electric signal transmission systems: using dynamo-electric devices) appears on 63 US grants and 20 published applications in this corpus.
Search patents in G08C- Granted patents
- 63
- Published applications
- 20
- Assignees
- 52
- Inventors
- 99
- Latest grant
- 12 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 7 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 2 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 3 | 6 |
| 2021 | 1 | 0 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hybrid electric propulsion system and method of operation12 Sep 2023US 11,757,386 B2Pratt & Whitney Canada Corp.
- Hybrid electric propulsion system and method of operation22 Mar 2022US 11,283,376 B2Pratt & Whitney Canada Corp.
- Synchronization of generator and electric motor in a hybrid electric aircraft propulsion system25 Jan 2022US 11,233,470 B2Pratt & Whitney Canada Corp.
- Hybrid electric propulsion system and method of operation1 Jun 2021US 11,025,181 B2Pratt & Whitney Canada Corp.
- Methods, systems, and devices for coupling a modulated voltage signal to a current loop using a variable impedance bridge8 Dec 2020US 10,862,535 B2General Electric Company
- Transformerless demodulation of synchro-resolver26 Feb 2026US 2026/0056034 A1Hamilton Sundstrand Corporation
- Hybrid electric aircraft propulsion system and method18 Sep 2025US 2025/0293627 A1Pratt & Whitney Canada Corp.
- Photoelectric scanning apparatus, motor, and autonomous vehicle19 Jan 2023US 2023/0016536 A1
- Hybrid electric propulsion system and method of operation2 Jun 2022US 2022/0173677 A1Pratt & Whitney Canada Corp.
- Hybrid electric aircraft propulsion system and method12 Mar 2020US 2020/0079514 A1Pratt & Whitney Canada Corp.
Most cited
By later US patents
- System for remote transmission of angular position and force between master and slave shafts51US 4,888,538 ABelorussky Gosudarstvenny Universitet Imeni V.I. Lenina · 1989
- Apparatus and method for generating digital position signals for a rotatable shaft46US 5,646,496 ADana Corporation · 1997
- PMG-based position sensor and synchronous drive incorporating same37US 5,140,245 AWestinghouse Electric Corp. · 1992
- Capacitive angular displacement transducer for remote meter reading35US 4,238,781 AWestinghouse Electric Corp. · 1980
- Apparatus and method for generating digital position signals for a rotatable shaft29US 5,760,562 ADana Corporation · 1998