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Pfungen, CH
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Patents Grants
last 30 patents
Information
Patent Grant
Measurement set-up for a return cement suspension, construction sit...
Patent number
11,774,438
Issue date
Oct 3, 2023
KELLER HOLDING GMBH
Uwe Hinzmann
G01 - MEASURING TESTING
Information
Patent Grant
Method for producing a component free of toe pressure
Patent number
11,255,066
Issue date
Feb 22, 2022
Keller Holding GmbH
Michal Bubenicek
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Depth vibrator with adjustable imbalance
Patent number
10,508,401
Issue date
Dec 17, 2019
Keller Holding GmbH
Peter Bohnert
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Method for compaction detection and control when compacting a soil...
Patent number
10,385,530
Issue date
Aug 20, 2019
Keller Holding GmbH
Peter Nagy
G01 - MEASURING TESTING
Information
Patent Grant
Process and assembly for determining the radius of a ground element...
Patent number
10,053,831
Issue date
Aug 21, 2018
Keller Holding GmbH
Hans Jürgen Schaden
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Drilling apparatus
Patent number
9,657,524
Issue date
May 23, 2017
Keller Holding GmbH
Kuno Klein
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for fabricating molded bodies formed at least partially of s...
Patent number
4,604,255
Issue date
Aug 5, 1986
Keller Holding AG
Hans Walt
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method and oven for manufacturing a light construction element, par...
Patent number
4,493,805
Issue date
Jan 15, 1985
Keller Holding AG
Gustav-Adolf Sporkenbach
E04 - BUILDING
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Patents Applications
last 30 patents
Information
Patent Application
METHOD OF REDUCING THE SWELLING CAPACITY OF CLAY-CONTAINING SOIL
Publication number
20220154072
Publication date
May 19, 2022
Hayward Baker, Inc.
Art Pengelly
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
VIBRATOR ARRANGEMENT FOR IMPROVING BUILDING SOIL
Publication number
20210340717
Publication date
Nov 4, 2021
Keller Holding GmbH
Kuno KLEIN
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
MEASUREMENT SET-UP FOR A RETURN CEMENT SUSPENSION, CONSTRUCTION SIT...
Publication number
20210148883
Publication date
May 20, 2021
KELLER HOLDING GMBH
Uwe Hinzmann
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
METHOD FOR PRODUCING A COMPONENT FREE OF TOE PRESSURE
Publication number
20210079618
Publication date
Mar 18, 2021
Keller Holding GmbH
Michal Bubenicek
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
METHOD FOR COMPACTION DETECTION AND CONTROL WHEN COMPACTING A SOIL...
Publication number
20190234035
Publication date
Aug 1, 2019
Keller Holding GmbH
Peter Nagy
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information
Patent Application
DEPTH VIBRATOR WITH ADJUSTABLE IMBALANCE
Publication number
20190071831
Publication date
Mar 7, 2019
KELLER HOLDING GMBH
Peter Bohnert
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Application
Method for Improving an Inwards Stability of a Levee
Publication number
20170016200
Publication date
Jan 19, 2017
Dura Vermeer Beton & Waterbouw B.V.
Adrianus Gerardus Gregorius van Haastert
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
PROCESS AND ASSEMBLY FOR DETERMINING THE RADIUS OF A GROUND ELEMENT...
Publication number
20160222619
Publication date
Aug 4, 2016
Keller Holding GmbH
Hans Jürgen Schaden
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
SMALL DRILLING APPARATUS
Publication number
20140284107
Publication date
Sep 25, 2014
Keller Holding GmbH
Kuno Klein
E21 - EARTH DRILLING MINING