Assignee
SWEETHEART PLASTICS
US·30 granted patents·1,406 citations·filing 1974–1982
Top patents by PatentIndex Score
30 records- 0196US4093041AFood serving systemSWEETHEART PLASTICS·Filed 1976·Granted Jun 6, 1978·96 cites·7 claims
- 0296US4068115AFood serving traySWEETHEART PLASTICS·Filed 1975·Granted Jan 10, 1978·125 cites·18 claims
- 0395USD263684SContainer for food or the likeSWEETHEART PLASTICS·Filed 1979·Granted Apr 6, 1982·40 cites·1 claims
- 0495US4294371ASundae dishSWEETHEART PLASTICS·Filed 1980·Granted Oct 13, 1981·122 cites·7 claims
- 0595US4127189APlastic food containerSWEETHEART PLASTICS·Filed 1977·Granted Nov 28, 1978·130 cites·6 claims
- 0692USD246955SDisposable plastic lidSWEETHEART PLASTICS·Filed 1976·Granted Jan 17, 1978·29 cites·1 claims
- 0791US4275815ALidSWEETHEART PLASTICS·Filed 1979·Granted Jun 30, 1981·81 cites·6 claims
- 0890US4386188AThermoformable polymer blend compositionSWEETHEART PLASTICS·Filed 1982·Granted May 31, 1983·91 cites·18 claims
- 0990USD264686SPackaging cupSWEETHEART PLASTICS·Filed 1980·Granted Jun 1, 1982·29 cites·1 claims
- 1090US4183446AFood container with integral dish and coverSWEETHEART PLASTICS·Filed 1978·Granted Jan 15, 1980·79 cites·5 claims
- 1190USD243362SFood tray temperature maintenance stationSWEETHEART PLASTICS·Filed 1975·Granted Feb 8, 1977·30 cites·1 claims
- 1289US4386187AThermoformable polymer blend composition comprising styrene polymer, olefin polymer and block copolymerSWEETHEART PLASTICS·Filed 1981·Granted May 31, 1983·78 cites·6 claims
- 1388US4298133AIntegral tray and cover with snap lockSWEETHEART PLASTICS·Filed 1979·Granted Nov 3, 1981·69 cites·5 claims
- 1487US4076123ADisposable plastic lidSWEETHEART PLASTICS·Filed 1976·Granted Feb 28, 1978·64 cites·4 claims
- 1587US3931890AStackable lidSWEETHEART PLASTICS·Filed 1974·Granted Jan 13, 1976·68 cites·12 claims
- 1681US4316078AFood serving systemSWEETHEART PLASTICS·Filed 1979·Granted Feb 16, 1982·33 cites·22 claims
- 1781USD246945SCoffee service traySWEETHEART PLASTICS·Filed 1976·Granted Jan 17, 1978·20 cites·1 claims
- 1876US4041277APortable tray warming unitSWEETHEART PLASTICS·Filed 1976·Granted Aug 9, 1977·30 cites·9 claims
- 1972US4138504AFood service methodSWEETHEART PLASTICS·Filed 1977·Granted Feb 6, 1979·30 cites·5 claims
- 2071US4154345AFood product containers and the method and apparatus for manufacturing sameSWEETHEART PLASTICS·Filed 1978·Granted May 15, 1979·31 cites·8 claims
- 2167US4101252ASheet support apparatusSWEETHEART PLASTICS·Filed 1976·Granted Jul 18, 1978·23 cites·11 claims
- 2267US4098403ABeverage carrierSWEETHEART PLASTICS·Filed 1976·Granted Jul 4, 1978·27 cites·7 claims
- 2366US4313358ADynamically balanced trim pressSWEETHEART PLASTICS·Filed 1979·Granted Feb 2, 1982·18 cites·8 claims
- 2460US4125350AMechanical die adjustment mechanismSWEETHEART PLASTICS·Filed 1976·Granted Nov 14, 1978·17 cites·29 claims
- 2552US4349571ABulk cone containerSWEETHEART PLASTICS·Filed 1978·Granted Sep 14, 1982·16 cites·21 claims
- 2650US4209101ATamper-proof closure and method of making sameSWEETHEART PLASTICS·Filed 1977·Granted Jun 24, 1980·15 cites·11 claims
- 2739US3942896AMeasuring magnifier with special reticleSWEETHEART PLASTICS·Filed 1974·Granted Mar 9, 1976·6 cites·22 claims
- 2837USD276014SFood tray coverSWEETHEART PLASTICS·Filed 1982·Granted Oct 23, 1984·2 cites·1 claims
- 2936USD276015SCombined eutectic pack and food tray coverSWEETHEART PLASTICS·Filed 1982·Granted Oct 23, 1984·2 cites·1 claims
- 3036US4384439ATuck and nest method and apparatusSWEETHEART PLASTICS·Filed 1980·Granted May 24, 1983·5 cites·4 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →