B23Q 35/20
With special means for varying the ratio of reproduction
Official title: with special means for varying the ratio of reproduction
B23Q35/20 (With special means for varying the ratio of reproduction) appears on 23 US grants and 0 published applications in this corpus.
Search patents in B23Q- Granted patents
- 23
- Published applications
- 0
- Assignees
- 10
- Inventors
- 27
- Latest grant
- 27 Sep 1994
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Lathe27 Sep 1994US 5,349,889 ATornos-Bechler SA
- Copying method and device9 Mar 1993US 5,192,173 ANobelpharma AB
- Reverse image drawing apparatus24 Nov 1992US 5,165,175 A
- Mortise and tenon jig for a router23 Jun 1992US 5,123,463 A
- Machine with intermittently rotary workpiece-holding table for working and assembly of high-precision pieces24 Mar 1992US 5,097,577 AMikron S.A.
No published applications in this class yet.
Most cited
By later US patents
- Apparatus for engraving indicia on small objects77US 4,406,567 A1983
- Mortise and tenon jig for a router52US 5,123,463 A1992
- Apparatus for making out-of-round workpieces23US 4,250,779 AGoetze AG · 1981
- Method and apparatus for machining the circumference of out-of-round workpieces, particularly piston rings14US 4,679,472 AGoetze AG · 1987
- Machine with intermittently rotary workpiece-holding table for working and assembly of high-precision pieces12US 5,097,577 AMikron S.A. · 1992