Assignee
LAVALLEY IND PLASTICS INC
US·14 granted patents·274 citations·filing 1979–1987
Top patents by PatentIndex Score
14 records- 0183US4540457AButterfly valve with pressurized O-ring saleLAVALLEY IND PLASTICS INC·Filed 1983·Granted Sep 10, 1985·37 cites·12 claims
- 0281US4697292AShower pipes for rotary drum filterLAVALLEY IND PLASTICS INC·Filed 1985·Granted Oct 6, 1987·25 cites·33 claims
- 0373US4795558AShower pipes for rotary drum filterLAVALLEY IND PLASTICS INC·Filed 1987·Granted Jan 3, 1989·17 cites·30 claims
- 0473US4248716ATrunnion and trunnion packing sleeve insert for rotary drum filterLAVALLEY IND PLASTICS INC·Filed 1979·Granted Feb 3, 1981·26 cites·10 claims
- 0567US4419165AMethod of making a rotary drum filter and method of making an annular valve housing for such a drum filterLAVALLEY IND PLASTICS INC·Filed 1982·Granted Dec 6, 1983·23 cites·22 claims
- 0666US4383877AMethod of making an annular valve housing for a rotary drum filterLAVALLEY IND PLASTICS INC·Filed 1981·Granted May 17, 1983·23 cites·14 claims
- 0764US4370231ARotary drum filterLAVALLEY IND PLASTICS INC·Filed 1981·Granted Jan 25, 1983·21 cites·21 claims
- 0863US4680115AFiltrate discharge accelerator system for center valve filter drumsLAVALLEY IND PLASTICS INC·Filed 1985·Granted Jul 14, 1987·24 cites·13 claims
- 0954US4795572AReplaceable trunnion sealLAVALLEY IND PLASTICS INC·Filed 1987·Granted Jan 3, 1989·19 cites·31 claims
- 1054US4683059AVacuum breaker valve-discharge elbow assembly for rotary drum filtersLAVALLEY IND PLASTICS INC·Filed 1985·Granted Jul 28, 1987·17 cites·30 claims
- 1150US4608171AAdjustable mounting for valve-discharge elbow of rotary drum filtersLAVALLEY IND PLASTICS INC·Filed 1985·Granted Aug 26, 1986·14 cites·15 claims
- 1248US4670099AMethod and apparatus for washing a mat of pulp stock on a drum filterLAVALLEY IND PLASTICS INC·Filed 1985·Granted Jun 2, 1987·13 cites·3 claims
- 1347US4632739AElectrolytic cell head with replaceable insert and method of protecting the sameLAVALLEY IND PLASTICS INC·Filed 1985·Granted Dec 30, 1986·6 cites·17 claims
- 1441US4608170AAngularly adjustable breaker valve-discharge elbow for rotary drum filtersLAVALLEY IND PLASTICS INC·Filed 1985·Granted Aug 26, 1986·9 cites·21 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →