H03H 9/14523
Capacitive tap weighted transducers
Official title: {Capacitive tap weighted transducers}
H03H9/14523 (Capacitive tap weighted transducers) appears on 6 US grants and 1 published applications in this corpus.
Search patents in H03H- Granted patents
- 6
- Published applications
- 1
- Assignees
- 4
- Inventors
- 11
- Latest grant
- 11 Nov 2008
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Electroacoustic transducer for a surface wave operating component11 Nov 2008US 7,449,812 B2Epcos AG
- Surface acoustic wave transducer12 Jul 1983US 4,393,321 A
- Piezoelectric acoustic surface wave filter coupler22 Jan 1980US 4,185,218 A
- Capacitively weighted surface acoustic wave device28 Aug 1979US 4,166,257 AMotorola, Inc.
- Acoustic surface wave transducer and filter built around this transducer24 Jul 1979US 4,162,415 AInstitut Radiotekhniki i Elektroniki Akademii Nauk SSSR
Most cited
By later US patents
- Capacitively weighted surface acoustic wave device13US 4,166,257 AMotorola, Inc. · 1979
- Capacitive tap weighted surface acoustic wave transducers12US 4,035,675 AUniversity of Illinois Foundation · 1977
- Acoustic surface wave transducer and filter built around this transducer10US 4,162,415 AInstitut Radiotekhniki i Elektroniki Akademii Nauk SSSR · 1979
- Surface acoustic wave transducer8US 4,393,321 A1983
- Electroacoustic transducer for a surface wave operating component5US 7,449,812 B2Epcos AG · 2008