C03B 2207/89
Controlling the liquid level in or supply to the tank
C03B2207/89 (Controlling the liquid level in or supply to the tank) appears on 5 US grants and 1 published applications in this corpus.
Search patents in C03B- Granted patents
- 5
- Published applications
- 1
- Assignees
- 6
- Inventors
- 12
- Latest grant
- 27 Dec 2005
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 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 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Raw material providing device for chemical vapor deposition process27 Dec 2005US 6,978,984 B2Samsung Electronics Co., Ltd.
- Apparatus for production of optical fiber preform21 Dec 1999US 6,003,342 AFurukawa Electric Co., Ltd.
- Method for purifying polyalkylsiloxanes and the resulting products9 Mar 1999US 5,879,649 ACorning Incorporated
- Raw material supply device8 Oct 1985US 4,545,801 ANippon Telegraph & Telephone Public Corporation
- Vapor delivery system and method of maintaining a constant level of liquid therein25 Nov 1980US 4,235,829 AWestern Electric Company, Inc.
Most cited
By later US patents
- Vapor delivery system and method of maintaining a constant level of liquid therein34US 4,235,829 AWestern Electric Company, Inc. · 1980
- Raw material supply device29US 4,545,801 ANippon Telegraph & Telephone Public Corporation · 1985
- Method for purifying polyalkylsiloxanes and the resulting products21US 5,879,649 ACorning Incorporated · 1999
- Apparatus for production of optical fiber preform6US 6,003,342 AFurukawa Electric Co., Ltd. · 1999
- Raw material providing device for chemical vapor deposition process6US 6,978,984 B2Samsung Electronics Co., Ltd. · 2005