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KORTMANN KARL

Overview
  • Total Patents
    66
  • GoodIP Patent Rank
    224,023
About

KORTMANN KARL has a total of 66 patent applications. Its first patent ever was published in 1995. It filed its patents most often in EPO (European Patent Office), WIPO (World Intellectual Property Organization) and Poland. Its main competitors in its focus markets civil engineering, environmental technology and machines are KUMRYOUNG CO LTD, FIBRESAND LTD and ZHOU TAIZE.

Patent filings per year

Chart showing KORTMANN KARLs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kortmann Karl 63

Latest patents

Publication Filing date Title
EP3619360A1 Kit having concrete elements, method for production, and use of parts of the kit
AU6897901A Manhole cover for a canalization
EP1229173A1 Cover device for pipes, particularly man-holes
AU3169001A System of building components for use in the construction of a foundation
WO0011268A1 Concrete element with a preliminary reinforced adhering layer
EP0916767A1 Concrete block for pavings
EP0916768A1 Concrete element in the form of a paving stone
EP0916766A1 Concrete paving element
CZ20001041A3 Equipment of silage tower
PL339375A1 Tower-type silo
WO9855701A1 Collecting vessel
WO9851870A1 Manhole cover
EP0863258A2 Pavement construction with a plane-sealing
EP0939850A1 Paving stone kit
EP0906478A1 Sewer system manhole with a covering part
PL329288A1 Concrete paving block especially for paving roads and yards in areas of filling stations or similar facilities
EP0891446A1 Auxiliary device for laying of concrete blocks, in particular
WO9720161A1 Moulded concrete unit
CA2236537A1 Sewer construction
EP0858587A1 Sewer construction