Assignee
LEESONA CORP
81 granted patents·1,407 citations·filing 1971–1984
Top patents by PatentIndex Score
81 records- 0191US4235579ASynthetic plastics article manufacturing systemLEESONA CORP·Filed 1978·Granted Nov 25, 1980·69 cites·31 claims
- 0291US4226379ALoom storage feeder improvementLEESONA CORP·Filed 1979·Granted Oct 7, 1980·29 cites·9 claims
- 0390US4347872AAir weft insertion systemLEESONA CORP·Filed 1979·Granted Sep 7, 1982·29 cites·50 claims
- 0489US4000860ASize reduction apparatusLEESONA CORP·Filed 1975·Granted Jan 4, 1977·56 cites·6 claims
- 0588US4421141AFabric selvage formingLEESONA CORP·Filed 1979·Granted Dec 20, 1983·17 cites·16 claims
- 0688US4384596AMeans and method for sensing loom conditions indicative of potential fabric defectsLEESONA CORP·Filed 1981·Granted May 24, 1983·17 cites·12 claims
- 0787US4454084AExtrusion die control systemLEESONA CORP·Filed 1982·Granted Jun 12, 1984·78 cites·12 claims
- 0887US3963519AMetal/air cellLEESONA CORP·Filed 1971·Granted Jun 15, 1976·106 cites·18 claims
- 0983US4458729AStrand delivery and storage systemLEESONA CORP·Filed 1979·Granted Jul 10, 1984·14 cites·74 claims
- 1083US4099900APellet cooling systemLEESONA CORP·Filed 1976·Granted Jul 11, 1978·34 cites·11 claims
- 1183US4028779AFilm granulatorLEESONA CORP·Filed 1975·Granted Jun 14, 1977·27 cites·9 claims
- 1281US4466468AStrand delivery systemLEESONA CORP·Filed 1979·Granted Aug 21, 1984·13 cites·33 claims
- 1381US4450874AYarn clampLEESONA CORP·Filed 1982·Granted May 29, 1984·13 cites·8 claims
- 1480US4529372AHollow article forming apparatusLEESONA CORP·Filed 1982·Granted Jul 16, 1985·43 cites·17 claims
- 1579US4528556ADefective motor brush detectorLEESONA CORP·Filed 1983·Granted Jul 9, 1985·36 cites·10 claims
- 1679US4079114AMethod and apparatus for embossing sheetsLEESONA CORP·Filed 1976·Granted Mar 14, 1978·42 cites·11 claims
- 1777US3981959APelletizing methodLEESONA CORP·Filed 1975·Granted Sep 21, 1976·36 cites·9 claims
- 1877US3930886APorous fluoro-carbon polymer matricesLEESONA CORP·Filed 1973·Granted Jan 6, 1976·27 cites·5 claims
- 1975US4473096AWeft end reception systemLEESONA CORP·Filed 1979·Granted Sep 25, 1984·10 cites·17 claims
- 2075US4368854AYarn feeder motor controlLEESONA CORP·Filed 1982·Granted Jan 18, 1983·12 cites·9 claims
- 2175US3971200AProcess and apparatus for continuous heat setting of carpet yarnsLEESONA CORP·Filed 1974·Granted Jul 27, 1976·14 cites·15 claims
- 2274US4377377ADifferential pressure forming machine with variable mold closed cycleLEESONA CORP·Filed 1980·Granted Mar 22, 1983·34 cites·30 claims
- 2374US4061282AEasy access-low noise granulatorLEESONA CORP·Filed 1976·Granted Dec 6, 1977·24 cites·8 claims
- 2471US4464329ADifferential pressure synthetic plastic forming machine and method with formed article carrier meansLEESONA CORP·Filed 1982·Granted Aug 7, 1984·32 cites·18 claims
- 2571US4158539AThermoforming machine with variable mold closed cycleLEESONA CORP·Filed 1978·Granted Jun 19, 1979·29 cites·12 claims
- 2671US3941684AScrap salvage systemLEESONA CORP·Filed 1974·Granted Mar 2, 1976·25 cites·22 claims
- 2770US4555377AThermoforming methods and apparatusLEESONA CORP·Filed 1983·Granted Nov 26, 1985·29 cites·10 claims
- 2870US4194663AHydromechanical plastic web indexing system for synthetic plastics thermoforming machineryLEESONA CORP·Filed 1978·Granted Mar 25, 1980·16 cites·9 claims
- 2970US4106708AGranulator and knife construction thereforLEESONA CORP·Filed 1977·Granted Aug 15, 1978·19 cites·11 claims
- 3068US4566646ATake-up machine motor controlLEESONA CORP·Filed 1984·Granted Jan 28, 1986·18 cites·18 claims
- 3168US4173161ATrim pressLEESONA CORP·Filed 1977·Granted Nov 6, 1979·19 cites·13 claims
- 3267US4184833APelletizing apparatusLEESONA CORP·Filed 1977·Granted Jan 22, 1980·20 cites·7 claims
- 3366US4226077AMethod and apparatus for manufacturing wrapped yarnsLEESONA CORP·Filed 1979·Granted Oct 7, 1980·14 cites·25 claims
- 3464US4509909AClamp mechanism for differential pressure thermoformerLEESONA CORP·Filed 1983·Granted Apr 9, 1985·23 cites·8 claims
- 3564US4300599AWarp detection systemLEESONA CORP·Filed 1980·Granted Nov 17, 1981·7 cites·8 claims
- 3663US4000386AFluid operated electrical relays and systemsLEESONA CORP·Filed 1975·Granted Dec 28, 1976·16 cites·10 claims
- 3762US4321027AUnder the press granulator constructionLEESONA CORP·Filed 1979·Granted Mar 23, 1982·25 cites·7 claims
- 3860US4391768AMethods and apparatus for curling lips about the open mouths of stacked thermoplastic containersLEESONA CORP·Filed 1981·Granted Jul 5, 1983·23 cites·14 claims
- 3960US4006863AStrand scattering winding machineLEESONA CORP·Filed 1975·Granted Feb 8, 1977·11 cites·8 claims
- 4060US4001039AElectrochemical cell with alkali and alkaline earth metal containing electrolyteLEESONA CORP·Filed 1971·Granted Jan 4, 1977·14 cites·1 claims
- 4156US4009839AWinding apparatusLEESONA CORP·Filed 1975·Granted Mar 1, 1977·10 cites·13 claims
- 4255US4306474ATrim press with oscillating canopy sheet feedLEESONA CORP·Filed 1980·Granted Dec 22, 1981·14 cites·14 claims
- 4354US3940078ABelt traverse and guide mechanismLEESONA CORP·Filed 1974·Granted Feb 24, 1976·11 cites·11 claims
- 4453US4255382AThermoforming machine with automatically mechanically operated web stripping elementLEESONA CORP·Filed 1980·Granted Mar 10, 1981·18 cites·12 claims
- 4551US3968939ATraverse cam lubricationLEESONA CORP·Filed 1975·Granted Jul 13, 1976·11 cites·5 claims
- 4650US3960600AAnode constructionLEESONA CORP·Filed 1971·Granted Jun 1, 1976·12 cites·10 claims
- 4749US4302172AExtrusion die assemblyLEESONA CORP·Filed 1980·Granted Nov 24, 1981·18 cites·7 claims
- 4848US4294414AFeed roll device for sheet granulatorLEESONA CORP·Filed 1980·Granted Oct 13, 1981·12 cites·6 claims
- 4948US4151241AMethod of cooling pelletsLEESONA CORP·Filed 1978·Granted Apr 24, 1979·8 cites·7 claims
- 5047US4502588AApparatus and methods for transferring nested stacks of plastic articles from an elevated chute to an underlying conveyor surfaceLEESONA CORP·Filed 1983·Granted Mar 5, 1985·13 cites·15 claims
Showing the top 50 of 81 patent records by PatentIndex Score.
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