Assignee
DOWTY HYDRAULIC UNITS LTD
GB·12 granted patents·127 citations·filing 1976–1987
Top patents by PatentIndex Score
12 records- 0158US4650038ARetarders suitable for wagon speed controlDOWTY HYDRAULIC UNITS LTD·Filed 1985·Granted Mar 17, 1987·18 cites·14 claims
- 0257US4325307ABuffer stopDOWTY HYDRAULIC UNITS LTD·Filed 1980·Granted Apr 20, 1982·15 cites·11 claims
- 0353US4585029AElectro-hydraulic servo valveDOWTY HYDRAULIC UNITS LTD·Filed 1985·Granted Apr 29, 1986·14 cites·7 claims
- 0448US4721189ARetarders suitable for wagon speed controlDOWTY HYDRAULIC UNITS LTD·Filed 1986·Granted Jan 26, 1988·12 cites·6 claims
- 0548US4535872ARetarders suitable for wagon speed control and having means for holding them in their operative conditionDOWTY HYDRAULIC UNITS LTD·Filed 1982·Granted Aug 20, 1985·13 cites·15 claims
- 0648US4037521ANoise reductionDOWTY HYDRAULIC UNITS LTD·Filed 1976·Granted Jul 26, 1977·12 cites·6 claims
- 0746US4358260ARotary intermeshing gear machine with pressure-balancing including resilient and non-extrudable sealing membersDOWTY HYDRAULIC UNITS LTD·Filed 1980·Granted Nov 9, 1982·16 cites·16 claims
- 0843US4518937AElectro-hydraulic servo valves and electrical force motors suitable thereforDOWTY HYDRAULIC UNITS LTD·Filed 1983·Granted May 21, 1985·8 cites·4 claims
- 0937US4486160APumps and motorsDOWTY HYDRAULIC UNITS LTD·Filed 1982·Granted Dec 4, 1984·7 cites·11 claims
- 1033US4606713ARotary positive-displacement fluid-pressure machinesDOWTY HYDRAULIC UNITS LTD·Filed 1985·Granted Aug 19, 1986·6 cites·9 claims
- 1133US4368013AGear motor with fluid pressure groove and recess to facilitate startingDOWTY HYDRAULIC UNITS LTD·Filed 1980·Granted Jan 11, 1983·6 cites·10 claims
- 1224US4796655AFluid control devicesDOWTY HYDRAULIC UNITS LTD·Filed 1987·Granted Jan 10, 1989·0 cites·11 claims
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