F16N 2230/19
Photo sensor
F16N2230/19 (Photo sensor) appears on 4 US grants and 0 published applications in this corpus.
Search patents in F16N- Granted patents
- 4
- Published applications
- 0
- Assignees
- 3
- Inventors
- 6
- Latest grant
- 19 Dec 2000
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 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 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Liquid level sensor19 Dec 2000US 6,161,395 AAmerican Standard Inc.
- Liquid level sensor17 Oct 2000US 6,131,471 AAmerican Standard Inc.
- Oil discharge detecting device for marine engine19 Jun 1990US 4,934,903 ASanshin Kogyo Kabushiki Kaisha
- Apparatus for dispensing fluid onto a moving mechanical system18 Jan 1983US 4,368,803 AMadison-Kipp Corporation
No published applications in this class yet.
Most cited
By later US patents
- Apparatus for dispensing fluid onto a moving mechanical system18US 4,368,803 AMadison-Kipp Corporation · 1983
- Liquid level sensor12US 6,131,471 AAmerican Standard Inc. · 2000
- Liquid level sensor8US 6,161,395 AAmerican Standard Inc. · 2000
- Oil discharge detecting device for marine engine1US 4,934,903 ASanshin Kogyo Kabushiki Kaisha · 1990