B67D 7/103
Operated by keys
Official title: {operated by keys}
B67D7/103 (Operated by keys) appears on 4 US grants and 0 published applications in this corpus.
Search patents in B67D- Granted patents
- 4
- Published applications
- 0
- Assignees
- 3
- Inventors
- 5
- Latest grant
- 28 Feb 1995
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 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 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Fuel dispenser-cash register control console28 Feb 1995US 5,394,336 AProgressive International Electronics
- Security apparatus and method for a self-service fuel pumping station20 Dec 1983US 4,421,248 A
- Electronic access control system5 Jul 1977US 4,034,193 AVeeder Industries Inc.
- Gasoline dispensing control apparatus9 Nov 1976US 3,990,607 AKocolene Oil Corporation
No published applications in this class yet.
Most cited
By later US patents
- Electronic access control system27US 4,034,193 AVeeder Industries Inc. · 1977
- Fuel dispenser-cash register control console26US 5,394,336 AProgressive International Electronics · 1995
- Security apparatus and method for a self-service fuel pumping station2US 4,421,248 A1983
- Gasoline dispensing control apparatus1US 3,990,607 AKocolene Oil Corporation · 1976