| All Patents in class 81/3.29 |
Patents 31 -
38
of 38
      |
| Number | Date | Patentee | Title | Type |
| 4,393,733 | Jul. 19, 1983 | A. Dejoux, B. Desnoulez | Corkscrews with tackle reduction | mechanical cork extractors |
| 4,570,512 | Feb. 18, 1986 | G. Pracht | Cork screw having a bell-shaped housing | self and partial cork pullers |
| 4,637,283 | Jan. 20, 1987 | P. Steiner, R.L. Bakoschek, L. Bertram | Corkscrew device | self and partial cork pullers |
| 4,658,678 | Apr. 21, 1987 | G. Pracht | Cork screw furnished with a bell-shaped housing | self and partial cork pullers |
| 4,703,673 | Nov. 03, 1987 | H. Allen | Cork-extracting apparatus | self and partial cork pullers |
| 4,955,261 | Sep. 11, 1990 | Y. Chiang | Automatic corkscrew | self and partial cork pullers |
| 5,012,703 | May 07, 1991 | H. Reinbacher | Cork removal apparatus | non worm cork extractors |
| 5,220,855 | Jun. 22, 1993 | D.T. Leung, C.T. Leung | Corkscrew | mechanical cork extractors |
