Assignee
SWEETHEART PLASTICS
30 patents
Top patents by PatentIndex Score
US4298133ANov 3, 1981
Integral tray and cover with snap lock
SWEETHEART PLASTICS69 citations96
US4294371AOct 13, 1981
Sundae dish
SWEETHEART PLASTICS122 citations96
US4275815AJun 30, 1981
Lid
SWEETHEART PLASTICS81 citations96
US4183446AJan 15, 1980
Food container with integral dish and cover
SWEETHEART PLASTICS79 citations96
US4093041AJun 6, 1978
Food serving system
SWEETHEART PLASTICS96 citations96
US4076123AFeb 28, 1978
Disposable plastic lid
SWEETHEART PLASTICS64 citations96
US3931890AJan 13, 1976
Stackable lid
SWEETHEART PLASTICS68 citations96
US4127189ANov 28, 1978
Plastic food container
SWEETHEART PLASTICS130 citations95
US4068115AJan 10, 1978
Food serving tray
SWEETHEART PLASTICS125 citations94
USD264686SJun 1, 1982
Packaging cup
SWEETHEART PLASTICS29 citations93
USD263684SApr 6, 1982
Container for food or the like
SWEETHEART PLASTICS40 citations93
US4154345AMay 15, 1979
Food product containers and the method and apparatus for manufacturing same
SWEETHEART PLASTICS31 citations92
US4386188AMay 31, 1983
Thermoformable polymer blend composition
SWEETHEART PLASTICS91 citations91
US4386187AMay 31, 1983
Thermoformable polymer blend composition comprising styrene polymer, olefin polymer and block copolymer
SWEETHEART PLASTICS78 citations91
US4316078AFeb 16, 1982
Food serving system
SWEETHEART PLASTICS33 citations91
US4098403AJul 4, 1978
Beverage carrier
SWEETHEART PLASTICS27 citations82
USD246955SJan 17, 1978
Disposable plastic lid
SWEETHEART PLASTICS29 citations82
US4138504AFeb 6, 1979
Food service method
SWEETHEART PLASTICS30 citations80
USD243362SFeb 8, 1977
Food tray temperature maintenance station
SWEETHEART PLASTICS30 citations79
US4349571ASep 14, 1982
Bulk cone container
SWEETHEART PLASTICS16 citations74
US4041277AAug 9, 1977
Portable tray warming unit
SWEETHEART PLASTICS30 citations74
US4313358AFeb 2, 1982
Dynamically balanced trim press
SWEETHEART PLASTICS18 citations71
US4125350ANov 14, 1978
Mechanical die adjustment mechanism
SWEETHEART PLASTICS17 citations71
US4209101AJun 24, 1980
Tamper-proof closure and method of making same
SWEETHEART PLASTICS15 citations69
US4101252AJul 18, 1978
Sheet support apparatus
SWEETHEART PLASTICS23 citations69
USD246945SJan 17, 1978
Coffee service tray
SWEETHEART PLASTICS20 citations69
USD276014SOct 23, 1984
Food tray cover
SWEETHEART PLASTICS2 citations60
USD276015SOct 23, 1984
Combined eutectic pack and food tray cover
SWEETHEART PLASTICS2 citations60
US4384439AMay 24, 1983
Tuck and nest method and apparatus
SWEETHEART PLASTICS5 citations58
US3942896AMar 9, 1976
Measuring magnifier with special reticle
SWEETHEART PLASTICS6 citations54