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ELK CORP DALLAS

Overview
  • Total Patents
    38
About

ELK CORP DALLAS has a total of 38 patent applications. Its first patent ever was published in 1992. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets civil engineering, machines and consumer goods are ELK PREMIUM BUILDING PROD INC, BUILDING MATERIALS INVEST CORP and MITSUBOSHI IND.

Patent filings per year

Chart showing ELK CORP DALLASs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kiik Matti 21
#2 Bryson Michael L 14
#3 Ahluwalia Younger 9
#4 Heine Darrell 6
#5 Lavietes Daniel 5
#6 Tobin Robert J 5
#7 Weaver Casimir P 5
#8 Weaver Casimir Paul 5
#9 Lock Timothy Harve 4
#10 Hudson Jr Willard Calvin 3

Latest patents

Publication Filing date Title
AU6670601A Surface covering building materials resistant to microbial growth staining
US6586353B1 Roofing underlayment
US6500560B1 Asphalt coated structural article
US6289648B1 Laminated roofing shingle
US6199338B1 Universal starter shingle
US6341462B2 Roofing material
US5965638A Structural mat matrix
US5611186A Laminated roofing shingle
US5369929A Laminated roofing shingle
US5305569A Thick shingle
US5232530A Method of making a thick shingle