Assignee
WEBSTER SPRING CO
US·27 granted patents·295 citations·filing 1974–1988
Top patents by PatentIndex Score
27 records- 0182USD251642SSpring coilWEBSTER SPRING CO·Filed 1977·Granted Apr 24, 1979·16 cites·1 claims
- 0271US4781360ASpring assembly with helical coils of spring wire with unknotted endsWEBSTER SPRING CO·Filed 1987·Granted Nov 1, 1988·39 cites·1 claims
- 0370US4577841ABent wire spring unitWEBSTER SPRING CO·Filed 1984·Granted Mar 25, 1986·28 cites·7 claims
- 0460US4666136ASpring unitWEBSTER SPRING CO·Filed 1985·Granted May 19, 1987·20 cites·5 claims
- 0549US4685659ASpring unitWEBSTER SPRING CO·Filed 1985·Granted Aug 11, 1987·13 cites·3 claims
- 0647US4592106AAnchor for securing the lower end of a springWEBSTER SPRING CO·Filed 1984·Granted Jun 3, 1986·9 cites·5 claims
- 0746US4595181ABent wire spring unitWEBSTER SPRING CO·Filed 1984·Granted Jun 17, 1986·11 cites·12 claims
- 0845US4004304ABox spring assemblyWEBSTER SPRING CO·Filed 1975·Granted Jan 25, 1977·18 cites·8 claims
- 0943US4426070ACoil spring assembly with grid and base frameWEBSTER SPRING CO·Filed 1981·Granted Jan 17, 1984·17 cites·8 claims
- 1043US3934736ASpring stackerWEBSTER SPRING CO·Filed 1974·Granted Jan 27, 1976·8 cites·2 claims
- 1140US4684111ABent wire spring moduleWEBSTER SPRING CO·Filed 1986·Granted Aug 4, 1987·10 cites·3 claims
- 1239US4778157ASpring moduleWEBSTER SPRING CO·Filed 1987·Granted Oct 18, 1988·14 cites·6 claims
- 1339US4595180ASpring assemblyWEBSTER SPRING CO·Filed 1984·Granted Jun 17, 1986·10 cites·5 claims
- 1439US4101992ASpring assembly with reinforcementWEBSTER SPRING CO·Filed 1977·Granted Jul 25, 1978·9 cites·10 claims
- 1538US4838528ABent wire spring moduleWEBSTER SPRING CO·Filed 1988·Granted Jun 13, 1989·10 cites·21 claims
- 1638US4729550ASpring moduleWEBSTER SPRING CO·Filed 1986·Granted Mar 8, 1988·10 cites·2 claims
- 1736US4828233ABent wire spring module with lockWEBSTER SPRING CO·Filed 1988·Granted May 9, 1989·8 cites·2 claims
- 1835US4736933ABent wire spring moduleWEBSTER SPRING CO·Filed 1987·Granted Apr 12, 1988·7 cites·4 claims
- 1935US4721290ABent wire spring unitWEBSTER SPRING CO·Filed 1987·Granted Jan 26, 1988·8 cites·1 claims
- 2033US4813656AGrid frameWEBSTER SPRING CO·Filed 1987·Granted Mar 21, 1989·6 cites·4 claims
- 2131US4372546ASpring assemblyWEBSTER SPRING CO·Filed 1981·Granted Feb 8, 1983·5 cites·14 claims
- 2230US4796872ABent wire spring moduleWEBSTER SPRING CO·Filed 1987·Granted Jan 10, 1989·3 cites·6 claims
- 2329US4114210ASpring assembly with reinforcementWEBSTER SPRING CO·Filed 1977·Granted Sep 19, 1978·3 cites·1 claims
- 2427US4114211ACorner stiffenerWEBSTER SPRING CO·Filed 1977·Granted Sep 19, 1978·1 cites·3 claims
- 2522US4480823AInnerspring assembly for furniture seats and backsWEBSTER SPRING CO·Filed 1982·Granted Nov 6, 1984·9 cites·6 claims
- 2615US3958610AInnerspringWEBSTER SPRING CO·Filed 1975·Granted May 25, 1976·3 cites·7 claims
- 279US4114867ACoil spring assemblyWEBSTER SPRING CO·Filed 1977·Granted Sep 19, 1978·0 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →