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GRUEN & BILFINGER AKT GES

Overview
  • Total Patents
    26
About

GRUEN & BILFINGER AKT GES has a total of 26 patent applications. Its first patent ever was published in 1919. It filed its patents most often in Germany. Its main competitors in its focus markets civil engineering, environmental technology and transport are CHITIS WOLF, KOYAMA TOMIJI and CG ENGINEERING & CONSULTING CO LTD.

Patent filings in countries

World map showing GRUEN & BILFINGER AKT GESs patent filings in countries
# Country Total Patents
#1 Germany 26

Patent filings per year

Chart showing GRUEN & BILFINGER AKT GESs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Spies Dipl-Ing Fritz 2
#2 Kroeger Eduard 1
#3 Lemm Philipp 1
#4 Krauss Gustav 1

Latest patents

Publication Filing date Title
DE698315C Safety device in compressed air caisson
DE693918C Method for fastening an anchor in the ground for the purpose of absorbing tensile forces
DE681474C Method and device for countersinking and connecting pre-fabricated reinforced concrete sheet piles
DE663844C Free-fall rammers
DE670470C Founding bodies, such as wells, compressed air cesspools, floating tanks or the like.
DE618095C Compressed air caisson with a delivery shaft that reaches below the caisson edge and is sealed by a water seal
DE642894C Floatable form for the production, transport and sinking of building bodies
DE638590C Foundation of structures using compressed air caisson
DE627938C Method for reinforcing retaining walls, in particular embankment walls based on post gratings
DE645287C Process for the foundation of structures with artificial compaction of the subsoil
DE691962C Method and device for reinforcing bank retaining walls, pillars and similar structures
DE545068C Concreting facility
DE593664C Installation on caissons for the foundation of structures
DE450301C Method of making reinforced concrete dome shells
DE465916C Closing structure for locks, channels, etc. like
DE447065C Device for the production of location posts
DE421110C Process for reinforcing foundation walls, pillars and similar components
DE355221C Ship railway
DE440616C Method and device for the foundation of structures using sink wells
DE458584C Device for the production of concrete cladding for embankments