Assignee
BURTON MECH CONTRACTORS
US·12 granted patents·451 citations·filing 1977–1993
Top patents by PatentIndex Score
12 records- 0193US4373838AVacuum sewage transport systemBURTON MECH CONTRACTORS·Filed 1981·Granted Feb 15, 1983·111 cites·14 claims
- 0285US4179371AVacuum sewage systemBURTON MECH CONTRACTORS·Filed 1978·Granted Dec 18, 1979·41 cites·6 claims
- 0384US4171853AVacuum operated sewerage systemBURTON MECH CONTRACTORS·Filed 1977·Granted Oct 23, 1979·50 cites·24 claims
- 0479US5326069AVacuum toilet system and discharge valve thereofBURTON MECH CONTRACTORS·Filed 1992·Granted Jul 5, 1994·26 cites·7 claims
- 0579US4691731AVacuum sewerage system with in pit breatherBURTON MECH CONTRACTORS·Filed 1985·Granted Sep 8, 1987·44 cites·10 claims
- 0674US5282281APortable vacuum toilet systemBURTON MECH CONTRACTORS·Filed 1993·Granted Feb 1, 1994·49 cites·41 claims
- 0767US5064314AVacuum sewerage system with increased lift capabilities having electric air admission controllersBURTON MECH CONTRACTORS·Filed 1990·Granted Nov 12, 1991·34 cites·30 claims
- 0866US4917143AInlet vacuum valve with quick-release mounting apparatus for unit controllerBURTON MECH CONTRACTORS·Filed 1989·Granted Apr 17, 1990·25 cites·8 claims
- 0964US5078174AVacuum sewerage system having non-jamming vacuum valves with tapered plungersBURTON MECH CONTRACTORS·Filed 1990·Granted Jan 7, 1992·24 cites·18 claims
- 1060US5082238ANonjamming vacuum valve having tapered plungerBURTON MECH CONTRACTORS·Filed 1990·Granted Jan 21, 1992·20 cites·11 claims
- 1150US5044836AElectric air admission controllerBURTON MECH CONTRACTORS·Filed 1990·Granted Sep 3, 1991·19 cites·21 claims
- 1237US5259427APackage system for collection-transport of waste liquidsBURTON MECH CONTRACTORS·Filed 1992·Granted Nov 9, 1993·8 cites·31 claims
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