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HANCOR INC

Overview
  • Total Patents
    89
About

HANCOR INC has a total of 89 patent applications. Its first patent ever was published in 1974. It filed its patents most often in United States, Canada and Mexico. Its main competitors in its focus markets machines, mechanical elements and civil engineering are RESISTOFLEX CORP, GANAHL CARL DE and CONTECH CONSTRUCTION PRODUCTS.

Patent filings per year

Chart showing HANCOR INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Toliver Timothy R 22
#2 Fouss James L 19
#3 Parker John J 14
#4 Siferd Roger Lee 12
#5 Porter Larry E 11
#6 Ankrom Matthew C 10
#7 Sting Donald W 9
#8 Schmunk John D 7
#9 Sidaway H John 5
#10 Rosenbaum Larry A 5

Latest patents

Publication Filing date Title
US2006012166A1 Articulating pipe joint
US2006157405A1 Water clarification system with coalescing media
WO2005012660A1 Liquid control structure
US6907997B2 Water clarification system with coalescing plates
US6698975B1 Coupling structure for a leaching chamber
US6941972B2 Corrugated pipe
EP1384023A1 Corrugation structure for pipe
US6578882B2 Corrugated pipe structure
US6199592B1 Pipe structure and method of manufacture
US5669733A Angled adapter for a leaching chamber system
US5556231A Severable leaching chamber with end cap
US5326138A High pressure coupling for plastic pipe and conduit
US4709723A Septic tank for alternative sewer systems
US4509911A Coupling structure and method and apparatus for its manufacture
US4480855A Coupling structure for plastic pipe or tubing
US4445542A Arch end cap
US4523613A Multi-layered corrugated conduit with "black-eye" like apertures
US4527319A Method and apparatus for manufacturing foldable conduit
US4402898A Coextrusion die assembly
US4374079A Method and apparatus for manufacturing expanded and layered semiround plastic tubings