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SWEETHEART PLASTICS

Overview
  • Total Patents
    141
About

SWEETHEART PLASTICS has a total of 141 patent applications. Its first patent ever was published in 1960. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets packaging and shipping, furniture and games and machines are HANA COBI CO LTD, WARREN HOLCOMB LOCKWOOD and VICTROLEC LTD.

Patent filings in countries

World map showing SWEETHEART PLASTICSs patent filings in countries

Patent filings per year

Chart showing SWEETHEART PLASTICSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Davis Paul 28
#2 Paul Davis 13
#3 Davis P 9
#4 Shumrak George K 8
#5 Shumrak G K 7
#6 Stewart David F 6
#7 Mack Anthony C 5
#8 Mack A 5
#9 Shumrak George Kent 5
#10 Cass John F 4

Latest patents

Publication Filing date Title
DK445282A Procedure for the preparation of polymer articles
US4386188A Thermoformable polymer blend composition
JPS5728144A Thermally formable polymer blend composition
US4386187A Thermoformable polymer blend composition comprising styrene polymer, olefin polymer and block copolymer
US4384439A Tuck and nest method and apparatus
US4294371A Sundae dish
US4316078A Food serving system
US4313358A Dynamically balanced trim press
US4298133A Integral tray and cover with snap lock
US4275815A Lid
US4349571A Bulk cone container
CA1137592A Food serving system
US4183446A Food container with integral dish and cover
US4154345A Food product containers and the method and apparatus for manufacturing same
AU2895277A Food serving system
US4209101A Tamper-proof closure and method of making same
US4138504A Food service method
US4127189A Plastic food container
US4098403A Beverage carrier
US4041277A Portable tray warming unit