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PELT & HOOYKAAS

Overview
  • Total Patents
    217
About

PELT & HOOYKAAS has a total of 217 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Netherlands, EPO (European Patent Office) and United States. Its main competitors in its focus markets environmental technology, materials and metallurgy and machines are PICHAT PHILIPPE, INERTEC and RECOVAL BELGIUM.

Patent filings per year

Chart showing PELT & HOOYKAASs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hooykaas Carel Willem Jan 65
#2 Hooykaas Carel W J 42
#3 Newton Jeffrey Porter 11
#4 Hooykaas C 5
#5 Newton Jeffrey P 5
#6 Hooykas Carel Willem Jan 4
#7 Kaareru Uiremu Yan Hooikaasu 3
#8 Hooykaas Carel Willem 3
#9 Hooykaas C W J 2
#10 Hooykaas 2

Latest patents

Publication Filing date Title
NL9400292A Method for immobilizing environmentally harmful organic and inorganic compounds.
NL9302114A A method of immobilizing metal ion-contaminated material and a molded article having a matrix with reducing properties.
NL9301919A Method for capturing environmentally harmful substances from material contaminated with such substances.
NL9301546A Method of immobilizing contaminated material, and a shaped article having a matrix with reducing characteristics
NL9300910A Method for sequestering ecologically harmful substances from material contaminated with such substances
CA2096800A1 Cement composition and method for the preparation thereof
NL9300364A Method for immobilizing particles suspended in water.
NL9202277A Process for the preparation of a layered, clay-like material and a process for rendering waste material immobilizable.
NL9201674A Method for inactivating organic contaminants in waste material.
NL9201266A Method for controlling the composition of steel snails.
NL9200430A Fixer for fixing organic and inorganic material, method for fixing such material and synthetic clay material.
NL9102131A Method for fixing waste material.
NL9101771A Porous granulated steel slab composition and use of such steel slab composition as filler in construction materials, road construction materials and raising materials.
NL9101655A Fixing agent for mixed organic and inorganically contaminated materials and method for preparing and using the same
NL9101656A Fixing agent for toxic waste and method for preparing and using the same
NL9100280A METHOD FOR Deactivating CALCIUM OXIDE GRANES CONTAINING SNAIL MATERIAL
NL9002335A Organic connections embedded in a matrix.
NL9001579A Use of mineral aggregates in a building material and method of manufacture thereof.
NL8902106A Method and installation for processing environmentally harmful waste in the form of blocks to be stored in a deposit area.
NL8901240A Process for immobilizing environmentally harmful metals and organic substances.