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TOLLIVER WILBUR E

Overview
  • Total Patents
    31
About

TOLLIVER WILBUR E has a total of 31 patent applications. Its first patent ever was published in 1975. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets civil engineering, mechanical elements and machines are NEW YORK WIRE MILLS CORP, FISCHER HERBERT C and WHITE JAMES C.

Patent filings in countries

World map showing TOLLIVER WILBUR Es patent filings in countries

Patent filings per year

Chart showing TOLLIVER WILBUR Es patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tolliver Wilbur E 30
#2 Magnuson Larry R 5
#3 Uiruba Ii Touribuaa 1

Latest patents

Publication Filing date Title
US5323641A Pipe joint seal tester
US5309691A Shear connected structural units
US4689867A Concrete reinforcement spacer and method of use
US4598523A Reinforcement support spacer
US4489528A Cage spacer
CA1172871A Circumferential stirrup panel
US4439972A Circumferential stirrup panel
US4452026A Spacer for wire reinforcement in concrete structures such as pipe
US4467995A Spacer bar and related method for concrete pipe manufacture
US4365818A Self-lubricating pipe joint seal with rupturable membrane
US4441527A Concrete pipe reinforcement spacer bar
US4345626A Circumferential stirrup panel
US4358078A Pipe reinforcing fabric
US4296933A Pipe joint seal
US4295501A Spacer bar and related method for concrete pipe manufacture
US4270583A Concrete pipe reinforcement spacer bar process
US4466467A Stackable stirrup mat
US4280310A Hinged reinforcement assembly and method
US4209179A Pipe joint seal
US4270776A Flexible pipe joint for non-interengaging pipe sections