Assignee
STEWARD PLASTICS
US·11 granted patents·2 pending applications·933 citations·filing 1974–2024
Top patents by PatentIndex Score
13 records- 0197US5454061AApparatus and method for making flexible tubing with helically wound heating conductorSTEWARD PLASTICS·Filed 1994·Granted Sep 26, 1995·214 cites·16 claims
- 0295US5848223ADouble-walled flexible tubing product with helical support bead and heating conductor and apparatus and method for makingSTEWARD PLASTICS·Filed 1996·Granted Dec 8, 1998·139 cites·20 claims
- 0395US5637168AApparatus and method for making flexible tubing with helically wound heating conductorSTEWARD PLASTICS·Filed 1995·Granted Jun 10, 1997·152 cites·9 claims
- 0495US3963856AFlexible, corrugated, plastic tubing having conductive helical beadSTEWARD PLASTICS·Filed 1974·Granted Jun 15, 1976·136 cites·12 claims
- 0591US6190480B1Method of making a double-walled flexible tubing product with helical support bead and heating conductorSTEWARD PLASTICS·Filed 1998·Granted Feb 20, 2001·104 cites·22 claims
- 0690US4337800ATwo piece extruded hoseSTEWARD PLASTICS·Filed 1980·Granted Jul 6, 1982·81 cites·3 claims
- 0784US9625066B2Helically wound plastic tubing with variable profile thickness and methods of making the sameSTEWARD PLASTICS·Filed 2014·Granted Apr 18, 2017·9 cites·14 claims
- 0884US3966525AMethod of making helically wound plastic tubingSTEWARD PLASTICS·Filed 1975·Granted Jun 29, 1976·62 cites·1 claims
- 0982US9982810B2Helically wound plastic tubing with variable profile thickness and methods of making the sameSTEWARD PLASTICS·Filed 2017·Granted May 29, 2018·4 cites·20 claims
- 1076US2024416574A1Helically wound tubing with exposed conductorsSTEWARD PLASTICS·Filed 2024·Application pending·0 cites
- 1171US12076909B2Helically wound tubing with exposed conductorsSTEWARD PLASTICS·Filed 2022·Granted Sep 3, 2024·0 cites·20 claims
- 1269US4375381ATwo piece extruded hoseSTEWARD PLASTICS·Filed 1981·Granted Mar 1, 1983·32 cites·3 claims
- 1342US2011168287A1Flexible tubing with dual-level imbedded helical conductors and method of makingSTEWARD PLASTICS·Filed 2011·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →