Assignee
SCHWERDTEL LUDWIG GMBH
DE·7 granted patents·216 citations·filing 1977–1996
Top patents by PatentIndex Score
7 records- 0191US4154044AApparatus for sealing cans with lids under vacuumSCHWERDTEL LUDWIG GMBH·Filed 1977·Granted May 15, 1979·50 cites·8 claims
- 0289US4693397ADosing devices for viscous materials particularly highly viscous materialsSCHWERDTEL LUDWIG GMBH·Filed 1984·Granted Sep 15, 1987·53 cites·4 claims
- 0383US4221102AApparatus for sealing cans with lids under vacuumSCHWERDTEL LUDWIG GMBH·Filed 1979·Granted Sep 9, 1980·35 cites·5 claims
- 0460US5671873AProportioning apparatus for viscous materialsSCHWERDTEL LUDWIG GMBH·Filed 1995·Granted Sep 30, 1997·30 cites·10 claims
- 0557US4402428ADosing apparatus for viscous materialsSCHWERDTEL LUDWIG GMBH·Filed 1981·Granted Sep 6, 1983·16 cites·8 claims
- 0656US5797516AFilling device for the proportioned delivery of very viscous materialsSCHWERDTEL LUDWIG GMBH·Filed 1996·Granted Aug 25, 1998·16 cites·36 claims
- 0756US4874022AFilling station for a cartridge filling and sealing machineSCHWERDTEL LUDWIG GMBH·Filed 1988·Granted Oct 17, 1989·16 cites·21 claims
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