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HEHR INTERNATIONAL INC

Overview
  • Total Patents
    31
About

HEHR INTERNATIONAL INC has a total of 31 patent applications. Its first patent ever was published in 1974. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets macromolecular chemistry and polymers, civil engineering and basic materials chemistry are DEVOE & RAYNOLDS CO, REICHHOLD CHEMICALS CANADA LTD and RIMTEC KK.

Patent filings per year

Chart showing HEHR INTERNATIONAL INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Smith Stuart B 19
#2 Mcmanus Armand 4
#3 Roe Norman E 2
#4 Cohen Victor I 2
#5 Helenick Robert F 2
#6 Kwan Gerald A 2
#7 Oiler Philip R 1
#8 Geiger Charles Wayne 1
#9 Robert F Helenick 1
#10 Penkov Walter V 1

Latest patents

Publication Filing date Title
US6832457B2 Window assembly
CA2315287A1 Dual rotary latch
CA2312616A1 Window assembly
US6290268B1 Dual rotary latch
US5893600A Reglazable window
AU2680997A Modified rigid, foamable urethane composition and method
US5830987A Amino-acrylate polymers and method
US5741872A Multifunctional polyacrylate-polyurethane oligomer and method
US5747552A Radiant energy curable acrylic urethane prepolymer resin compositions and method
US5700856A Peroxide-generating composition for use with unsaturated polyester resins and method of use
US5739240A Modified acrylic urethane prepolymer concentrate and polyester resins containing same
US4233781A Window assembly for socket window
US4042004A Window assembly
US3981067A Method of splicing and products thereof
US3934370A Panel operating mechanism