F21K 5/026
Using mechanical firing
Official title: {using mechanical firing, e.g. percussion of a fulminating charge}
F21K5/026 (Using mechanical firing) appears on 13 US grants and 0 published applications in this corpus.
Search patents in F21K- Granted patents
- 13
- Published applications
- 0
- Assignees
- 5
- Inventors
- 19
- Latest grant
- 30 Nov 1999
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 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 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 5 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Enclosed frictionally ignited photographic flash lamp30 Nov 1999US 5,993,201 AEastman Kodak Company
- Photoflash unit6 Apr 1999US 5,892,992 AEastman Kodak Company
- Flash lamp array with porous vent16 Feb 1999US 5,871,344 AEastman Kodak Company
- Percussively fired flash lamp array16 Feb 1999US 5,871,345 AEastman Kodak Company
- Flashlamp array venting structure16 Feb 1999US 5,871,346 AEastman Kodak Company
No published applications in this class yet.
Most cited
By later US patents
- Photoflash lamp6US 4,078,881 AGeneral Electric Company · 1978
- Percussively ignited photoflash lamp and method of making same3US 4,201,540 AGTE Sylvania Incorporated · 1980
- Method of manufacturing a flash lamp2US 3,955,866 AU. S. Philips Corporation · 1976
- Percussion flashlamp2US 3,955,911 AU. S. Philips Corporation · 1976
- Flashlamp array venting structure2US 5,871,346 AEastman Kodak Company · 1999