Y10S 250/903
With prism contacting liquid
Official title: with prism contacting liquid
Y10S250/903 (With prism contacting liquid) appears on 31 US grants and 1 published applications in this corpus.
Search patents in Y10S- Granted patents
- 31
- Published applications
- 1
- Assignees
- 25
- Inventors
- 58
- Latest grant
- 29 Apr 2003
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 7 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Fluoropolymer fluid overfill probe29 Apr 2003US 6,555,837 B2Scully Signal Company
- Fluoropolymer fluid overfill probe with infrared optical signal10 Sep 2002US 6,448,573 B1Scully Signal Company
- Liquid detection device, fusing unit using the same, and electrophotographic apparatus14 May 2002US 6,389,239 B1Fujitsu Limited
- Apparatus and method for optically sensing liquid level in cooking vessels2 May 2000US 6,057,772 AHenny Penny Corporation
- Automatic air-vent valve for hydraulic systems11 Apr 2000US 6,047,720 AASG Luftfahrttechnik und Sensorik GmbH
Most cited
By later US patents
- Ink tank with an ink level detector having a viewing window105US 5,616,929 AFuji Xerox Co., Ltd. · 1997
- Sensor syringe64US 4,410,020 AContraves AG · 1983
- Optical fuel/air/water sensor and detector circuit59US 5,534,708 ASimmonds Precision Products, Inc. · 1996
- Optical liquid level sensor using a polytetrafluoroethylene perfluoroalkoxy material55US 4,998,022 AConax Buffalo Corporation · 1991
- Liquid level detector for detecting a liquid level when reaching a prescribed height45US 4,246,489 ATokyo Shibaura Electric Co., Ltd. · 1981