Enquist; Fredrik

Patent Applications and Registrations

Patent applications and USPTO patent grants for Enquist; Fredrik.The latest application filed is for "vacuum bell probe and method for leak detection".

Company Profile

6.15.15

Enquist; Fredrik - Linkoping SE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Vacuum bell probe and method for leak detection Grant 11,009,422 - Enquist , et al. May 18, 2	2021-05-18
Wide range gas detection using an infrared gas detector Grant 10,866,225 - Hellgren , et al. December 15, 2	2020-12-15
Vacuum Bell Probe and Method for Leak Detection App 20190346332 - Enquist; Fredrik ; et al.	2019-11-14
Method for quantifying the amount of optically interfering gas impurities Grant 10,436,708 - Hellgren , et al. O	2019-10-08
Gas detection using gas modulation Grant 10,352,848 - Enquist , et al. July 16, 2	2019-07-16
Method and device for discrimination between natural gas and swamp gas Grant 10,338,050 - Enquist	2019-07-02
Infrared gas detector with secondary sensor Grant 10,309,943 - Hellgren , et al.	2019-06-04
Method for Quantifying the Amount of Optically Interfering Gas Impurities App 20190041317 - Hellgren; Johan ; et al.	2019-02-07
Wide Range Gas Detection Using an Infrared Gas Detector App 20190011414 - Hellgren; Johan ; et al.	2019-01-10
Infrared Gas Detector with Secondary Sensor App 20180321207 - Hellgren; Johan ; et al.	2018-11-08
Gas Detection Using Gas Modulation App 20180313749 - Enquist; Fredrik ; et al.	2018-11-01
Method and Device for Discrimination Between Natural Gas and Swamp Gas App 20170227513 - Enquist; Fredrik	2017-08-10
Method For Selective Pin-pointing Of Utility Gas Leaks App 20160109320 - Enquist; Fredrik	2016-04-21
Gas sensor housing Grant 9,285,251 - Enquist , et al. March 15, 2	2016-03-15
Leak detection system comprising a tracer gas mediating unit Grant 8,689,611 - Enquist April 8, 2	2014-04-08
Gas probe for sampling gas molecules from a fluid and a system comprising the gas probe Grant 8,627,710 - Nylander , et al. January 14, 2	2014-01-14
Gas Sensor Housing App 20130145845 - Enquist; Fredrik ; et al.	2013-06-13
Gas Probe For Sampling Gas Molecules From A Fluid And A System Comprising The Gas Probe App 20110113860 - Nylander; Claes ; et al.	2011-05-19
Leak Detection System Comprising A Tracer Gas Mediating Unit App 20100288020 - Enquist; Fredrik	2010-11-18
Hydrogen gas sensitive semiconductor sensor Grant 7,622,080 - Enquist November 24, 2	2009-11-24
System and method for determining the leakproofness of an object Grant 7,448,256 - Jenneus , et al. November 11, 2	2008-11-11
System and method for determining the leakproofness of an object App 20070157704 - Jenneus; Per ; et al.	2007-07-12
Hydrogen gas sensitive semiconductor sensor App 20070069313 - Enquist; Fredrik	2007-03-29
Method and device at testing for leaks and leakage finding App 20040154379 - Enquist, Fredrik ; et al.	2004-08-12
Method At Detection Of Presence Of Hydrogen Gas And Measurement Of Content Of Hydrogen Gas App 20030000285 - Enquist, Fredrik ; et al.	2003-01-02
Method at detection of presence of hydrogen gas and measurement of content of hydrogen gas Grant 6,484,563 - Enquist , et al. November 26, 2	2002-11-26

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