G01R 13/407
Using a plurality of passive display elements
Official title: {using a plurality of passive display elements, e.g. liquid crystal or Kerr-effect display elements (G01R13/408 takes precedence)}
G01R13/407 (Using a plurality of passive display elements) appears on 44 US grants and 0 published applications in this corpus.
Search patents in G01R- Granted patents
- 44
- Published applications
- 0
- Assignees
- 33
- Inventors
- 86
- Latest grant
- 22 Aug 2000
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 8 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Photovoltaic module with display indicator22 Aug 2000US 6,107,998 A
- Photovoltaic module with display indicator8 Dec 1998US 5,847,794 ABesicorp Group Inc.
- Testing instrument with a display element12 May 1998US 5,751,219 AAEG Sachsenwerk GmbH
- Photovoltaic module with liquid crystal display indicator10 Feb 1998US 5,717,478 ABesicorp Group Inc.
- Flow display type indicating method and apparatus14 Oct 1997US 5,677,501 ALeader Electronics Corporation
No published applications in this class yet.
Most cited
By later US patents
- LCD Hook-on digital ammeter96US 4,559,496 AGeneral Electric Company · 1985
- Electronic analog display device27US 4,518,959 AMitsubishi Denki Kabushiki Kaisha · 1985
- Measurement system for machine parts26US 4,289,382 AFederal Products Corporation · 1981
- Liquid crystal display device with low battery indication24US 4,328,490 ATokyo Shibaura Denki Kabushiki Kaisha · 1982
- Analog display device22US 4,688,029 AFutaba Denshi Kogyo K. K. · 1987