Learn more

TENSION ENVELOPE CORP

Overview
  • Total Patents
    92
About

TENSION ENVELOPE CORP has a total of 92 patent applications. Its first patent ever was published in 1938. It filed its patents most often in United States, Canada and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets packaging and shipping, machines and textiles and paper are OLD DOMINION BOX COMPANY, THAMES CASE LTD and KISCH RAYMOND GEORGE MONTAGUE.

Patent filings per year

Chart showing TENSION ENVELOPE CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kranz Richard 23
#2 Hiersteiner Walter L 22
#3 Rogovein Michael E 6
#4 Berkley Eugene B 4
#5 Hyman Jerome 3
#6 Berkowitz Eugene B 3
#7 Klein Bernard 2
#8 Benz Jr Stephen J 2
#9 Krueger William G 2
#10 Bloom Morde M 2

Latest patents

Publication Filing date Title
WO2013155096A1 Window profiling system
US2011272455A1 Reusable envelope tray system
WO2008097939A1 Envelope tray adapter
US2005230458A1 Envelope having improved overlap profile
US5967403A Remailable envelope and method for making a remailable envelope from a single blank
US5927592A Limited pocket envelope
US5678754A Envelope with dual pockets
US5537927A Apparatus and method for precisely drilling alignment pin register holes in pre-marked flexible printing plates
US5511479A System and method for providing pin register holes in flexible printing plates and apparatus and method for aligning plates on a flexographic printing press plate cylinder
CA2125550A1 Envelope flap up pick and place apparatus and method
US5478185A Bulk envelope container and transfer system and method
US5425565A Multiple envelope gripping and transfer apparatus and method
US5421700A Envelope flap up pick and place apparatus and method
US4667457A Hopper for envelopes and the like
US4545521A Envelope with hanger
US4565317A Two-way envelope with inside return seal flap
US4436202A Reusable envelope
US4366636A Double pocket easel envelope
US4180168A Two-way envelope
US4072264A Duplex mailing envelope