B23C 2235/04
Keys with blind holes
B23C2235/04 (Keys with blind holes) appears on 5 US grants and 3 published applications in this corpus.
Search patents in B23C- Granted patents
- 5
- Published applications
- 3
- Assignees
- 4
- Inventors
- 11
- Latest grant
- 10 Nov 1998
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 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 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Duplicating machine, particularly for punched and laser keys10 Nov 1998US 5,833,406 ASilca S.P.A.
- Key duplication machine18 Aug 1987US 4,687,389 ALori Corporation
- Key-cutting machine9 Jun 1987US 4,671,711 AChicago Lock Co.
- Cavity key duplicating machine30 Sep 1986US 4,614,465 A
- Tubular key manufacturing machine13 Apr 1982US 4,324,513 A
Most cited
By later US patents
- Cavity key duplicating machine44US 4,614,465 A1986
- Duplicating machine, particularly for punched and laser keys43US 5,833,406 ASilca S.P.A. · 1998
- Key duplication machine39US 4,687,389 ALori Corporation · 1987
- Key-cutting machine20US 4,671,711 AChicago Lock Co. · 1987
- Tubular key manufacturing machine3US 4,324,513 A1982