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BARTENFELD WILFORD G

Overview
  • Total Patents
    22
About

BARTENFELD WILFORD G has a total of 22 patent applications. Its first patent ever was published in 1926. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport, packaging and shipping and machines are HOLZAPFEL JOHN A, VON TELL AB and SCHAT DAVIT BV.

Patent filings in countries

World map showing BARTENFELD WILFORD Gs patent filings in countries
# Country Total Patents
#1 United States 15
#2 Canada 7

Patent filings per year

Chart showing BARTENFELD WILFORD Gs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bartenfeld Wilford G 22

Latest patents

Publication Filing date Title
US2893574A Unloading unit for cargo vessel
US2827181A Universal self-unloading unit for bulk cargo vessels
US2827180A Universal unloading unit for bulk cargo vessels
US2785645A Double bottom construction for vessels
US2777413A Side tank construction for bulk cargo vessels
US2592999A Ship tank top and hopper construction
US2520024A Channel tank top construction for ships
US1944915A Channel construction for the tops of tanks of vessels
US1944914A Means for making the joints between structural members water tight
US1992597A Means for connecting structural members
US1802165A Channel construction for the sides of the tanks of vessels
US1823081A Channel construction for the tops of the tanks of vessels
US1880667A Channel construction for bulkheads
US1679926A Channel construction for the sides and tops of tanks of vessels
US1626716A Channel and plate construction for vessels
CA560506A Side tank construction for bulk cargo vessels
CA574702A Universal unloading unit for bulk cargo vessels
CA589551A Unloading unit for cargo vessel
CA312690A Channel construction for the sides and tops of vessel tanks
CA543479A Double bottom construction for vessels