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Norbert Rolff
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Horrem, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Gas detector with an ionizing device
Patent number
11,754,525
Issue date
Sep 12, 2023
Inficon GmbH
Norbert Rolff
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method for leak testing using a film chamber with ventilated measur...
Patent number
11,630,024
Issue date
Apr 18, 2023
Inficon GmbH
Norbert Rolff
G01 - MEASURING TESTING
Information
Patent Grant
Method for leak testing with a foil chamber with vented measurement...
Patent number
11,320,337
Issue date
May 3, 2022
Inficon GmbH
Norbert Rolff
G01 - MEASURING TESTING
Information
Patent Grant
Gross leak measurement in an incompressible test item in a film cha...
Patent number
10,900,862
Issue date
Jan 26, 2021
Inficon GmbH
Silvio Decker
G01 - MEASURING TESTING
Information
Patent Grant
Gas leak search using a test gas spray device
Patent number
10,837,857
Issue date
Nov 17, 2020
Inficon GmbH
Hjalmar Bruhns
G01 - MEASURING TESTING
Information
Patent Grant
Film chamber with measuring volume for gross leak detection
Patent number
10,309,862
Issue date
Jun 4, 2019
Inficon GmbH
Silvio Decker
G01 - MEASURING TESTING
Information
Patent Grant
Sniffer leak detector with multi-stage membrane pump
Patent number
9,810,597
Issue date
Nov 7, 2017
Inficon GmbH
Heike Hilgers
G01 - MEASURING TESTING
Information
Patent Grant
Device for supplying voltage to the cathode of a mass spectrometer
Patent number
9,530,634
Issue date
Dec 27, 2016
Inficon GmbH
Norbert Rolff
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for determining the maximum mass peak in mass spectrometry
Patent number
9,147,561
Issue date
Sep 29, 2015
Inficon GmbH
Norbert Rolff
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Leak detection method
Patent number
8,893,543
Issue date
Nov 25, 2014
Inficon GmbH
Martin Bohn
G01 - MEASURING TESTING
Information
Patent Grant
Sniffing leak detector
Patent number
8,752,412
Issue date
Jun 17, 2014
Inficon GmbH
Daniel Wetzig
G01 - MEASURING TESTING
Information
Patent Grant
Sniffing probe
Patent number
8,416,091
Issue date
Apr 9, 2013
Inficon GmbH
Randolf Rolff
G01 - MEASURING TESTING
Information
Patent Grant
Method for calibrating a mass spectrometric sniffing leak detector
Patent number
8,302,454
Issue date
Nov 6, 2012
Inficon GmbH
Norbert Rolff
G01 - MEASURING TESTING
Information
Patent Grant
Sniffing leak detector
Patent number
8,171,773
Issue date
May 8, 2012
Inficon GmbH
Daniel Wetzig
G01 - MEASURING TESTING
Information
Patent Grant
Leak detector with a leak detector testing device
Patent number
8,117,886
Issue date
Feb 21, 2012
Inficon GmbH
Norbert Rolff
G01 - MEASURING TESTING
Information
Patent Grant
Leak indicator with test leak and test leak for integration into a...
Patent number
7,444,854
Issue date
Nov 4, 2008
Inficon GmbH
Thomas Böhm
G01 - MEASURING TESTING
Information
Patent Grant
Method for measuring the gas pressure in a container, and devices f...
Patent number
6,474,172
Issue date
Nov 5, 2002
Unakis Balzers AG
Norbert Rolff
G01 - MEASURING TESTING
Information
Patent Grant
Measurement amplifier
Patent number
5,770,956
Issue date
Jun 23, 1998
Leybold Aktiengesellschaft
Norbert Rolff
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
Gas Detector with an Ionizing Device
Publication number
20220136997
Publication date
May 5, 2022
INFICON GMBH
Norbert Rolff
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
METHOD FOR LEAK TESTING USING A FILM CHAMBER WITH VENTILATED MEASUR...
Publication number
20210048367
Publication date
Feb 18, 2021
Inficon gmbH
Norbert Rolff
G01 - MEASURING TESTING
Information
Patent Application
Method for Leak Testing with a Foil Chamber with Vented Measurement...
Publication number
20200378862
Publication date
Dec 3, 2020
INFICON GMBH
Norbert Rolff
G01 - MEASURING TESTING
Information
Patent Application
Gas Leak Search Using a Test Gas Spray Device
Publication number
20190120715
Publication date
Apr 25, 2019
INFICON GMBH
Hjalmar Bruhns
G01 - MEASURING TESTING
Information
Patent Application
GROSS LEAK MEASUREMENT IN AN INCOMPRESSIBLE TEST ITEM IN A FILM CHA...
Publication number
20180372579
Publication date
Dec 27, 2018
Inficon gmbH
Silvio Decker
G01 - MEASURING TESTING
Information
Patent Application
Film Chamber with Measuring Volume for Gross Leak Detection
Publication number
20170254720
Publication date
Sep 7, 2017
INFICON GMBH
Silvio Decker
G01 - MEASURING TESTING
Information
Patent Application
Sniffer Leak Detector with Multi-Stage Membrane Pump
Publication number
20160223424
Publication date
Aug 4, 2016
Inficon gmbH
Heike Hilgers
G01 - MEASURING TESTING
Information
Patent Application
DEVICE FOR SUPPLYING VOLTAGE TO THE CATHODE OF A MASS SPECTROMETER
Publication number
20150028743
Publication date
Jan 29, 2015
Inficon gmbH
Norbert Rolff
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR DETERMINING THE MAXIMUM MASS PEAK IN MASS SPECTROMETRY
Publication number
20150014523
Publication date
Jan 15, 2015
Inficon gmbH
Norbert Rolff
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LEAK DETECTION METHOD
Publication number
20110283769
Publication date
Nov 24, 2011
Inficon gmbH
Martin Bohn
G01 - MEASURING TESTING
Information
Patent Application
Leakage Seeker
Publication number
20110100097
Publication date
May 5, 2011
Ludolf Gerdau
G01 - MEASURING TESTING
Information
Patent Application
SNIFFING LEAK DETECTOR
Publication number
20100294026
Publication date
Nov 25, 2010
INFICON GMBH
Daniel Wetzig
G01 - MEASURING TESTING
Information
Patent Application
SNIFFING LEAK DETECTOR
Publication number
20100005861
Publication date
Jan 14, 2010
Daniel Wetzig
G01 - MEASURING TESTING
Information
Patent Application
Method for Calibrating a Mass Spectrometric Sniffing Leak Detector
Publication number
20090314052
Publication date
Dec 24, 2009
Norbert Rolff
G01 - MEASURING TESTING
Information
Patent Application
Leak Detector
Publication number
20090188302
Publication date
Jul 30, 2009
INFICON GMBH
Norbert Rolff
G01 - MEASURING TESTING
Information
Patent Application
Sampling Leak Detector
Publication number
20090120165
Publication date
May 14, 2009
Peter Lang
G01 - MEASURING TESTING
Information
Patent Application
Sniffing Probe
Publication number
20080223112
Publication date
Sep 18, 2008
Inficon gmbH
Randolf Rolff
G01 - MEASURING TESTING
Information
Patent Application
Leak indicator with test leak and test leak for integration into a...
Publication number
20070039377
Publication date
Feb 22, 2007
Inficon gmbH
Thomas Bohm
G01 - MEASURING TESTING