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DOIKOS INVESTMENTS LTD

Overview
  • Total Patents
    64
About

DOIKOS INVESTMENTS LTD has a total of 64 patent applications. Its first patent ever was published in 1993. It filed its patents most often in EPO (European Patent Office), WIPO (World Intellectual Property Organization) and Canada. Its main competitors in its focus markets thermal processes, environmental technology and chemical engineering are SARETCO, KOCH THEODOR and SEKO PATENT GMBH.

Patent filings per year

Chart showing DOIKOS INVESTMENTS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Stiefel Jakob 27
#2 Stiefel Martin 22
#3 Stiefel Thomas 12
#4 Sandeman Michael 6
#5 Nikolaus Thomas 4
#6 Bunge Rainer 4
#7 Kemter Andreas 3
#8 Thomas Stiefel 2
#9 Michael Sandeman 1
#10 Stieferl Jakob 1

Latest patents

Publication Filing date Title
CH707122A2 Bunker door for waste incinerator, has access-protected bridge swinging around horizontal axis arranged in door threshold, and bridge swings around horizontal axis from horizontal position to vertical position, in which it closes door
CH706863A2 Method and apparatus for separating fine particle fractions from the slag a waste incineration plant.
WO2012012909A2 Water-cooled sliding combustion grate having a parallel drive
CH704830A2 Water-cooled sliding combustion grate for burning of inhomogeneous waste and waste with high calorific values, has movable grate plates and stationary grate plates that are laid on top of each other in step-like manner
CH703509A2 Water-cooled thrust combustion grate with a hydraulic drive for its movable grate plates.
EP2071237A1 Method and equipment for thermal treatment of sewage sludge in an incinerator
CH701280B1 Liquid-cooled grate plate with wear plates and from such grate plates existing stepping grate.
WO2007107024A1 Liquid-cooled grill comprising wear plates
AU2003201612A1 Method and device for jetting secondary air into the smoke gas stream of a combustion system
EP1001218A2 Water-cooled combustion grate, as well as process for incinerating wastes on it
EP0919771A2 Combustion process for solid material on a water-cooled sliding grate as well as gratebar and grate for carrying out the process
EP0874195A1 Watercooled sliding combustion grate
CN1124520A Process for burning solids with a sliding firebar system
AU1075595A Sliding fire grate module for refuse incineration in commercial-scale installations as well as method for its operation
WO9509327A1 Method of feeding refuse onto an incinerator grate, and feed device for carrying out the method
CH684118A5 Burning sweepings on combustion grill - individually dosing prim. air through separate tubes extending whole length underneath grill