Assignee
GRAF & CO GMBH WALTER
DE·5 granted patents·65 citations·filing 1978–1989
Top patents by PatentIndex Score
5 records- 0164US4501192APiston for precision dosing instrumentGRAF & CO GMBH WALTER·Filed 1982·Granted Feb 26, 1985·18 cites·9 claims
- 0264US4315454APiston for a metering device and a method of producing sameGRAF & CO GMBH WALTER·Filed 1978·Granted Feb 16, 1982·17 cites·3 claims
- 0352US4995532AFluid metering apparatus for supplying fluid out of a storage vessel to a receiverGRAF & CO GMBH WALTER·Filed 1989·Granted Feb 26, 1991·16 cites·15 claims
- 0441US5141137AVolumetric device with reciprocating piston to deliver defined quantities of liquidsGRAF & CO GMBH WALTER·Filed 1989·Granted Aug 25, 1992·10 cites·8 claims
- 0534US4633765APiston for precision dosing instrumentGRAF & CO GMBH WALTER·Filed 1984·Granted Jan 6, 1987·4 cites·13 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →