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EXTREL CORP

Overview
  • Total Patents
    15
About

EXTREL CORP has a total of 15 patent applications. Its first patent ever was published in 1987. It filed its patents most often in United Kingdom, United States and Germany. Its main competitors in its focus markets electrical machinery and energy, measurement and machines are GRIFFIN ANALYTICAL TECH, MDS INC DBT MDS SCIEX DIVISION and AMIRAV AVIV.

Patent filings in countries

World map showing EXTREL CORPs patent filings in countries
# Country Total Patents
#1 United Kingdom 7
#2 United States 7
#3 Germany 1

Patent filings per year

Chart showing EXTREL CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Willoughby Ross C 6
#2 Fite Wade L 5
#3 Ketkar Sushas 4
#4 Penn Stephen M 2
#5 Fite Dr Wade L 2
#6 Myers Richard L 2
#7 Brackmann Richard T 1
#8 Buchner James D 1
#9 Mccall Edward L 1
#10 Bijawat Sanjai K 1

Latest patents

Publication Filing date Title
US5285064A Method and apparatus for introduction of liquid effluent into mass spectrometer and other gas-phase or particle detectors
US5142143A Method and apparatus for preconcentration for analysis purposes of trace constitutes in gases
GB9122921D0 Improvements relating to gas analysis
GB9028195D0 Introduction of effluent into mass spectrometers and other gas-phase or particle detectors
US5172581A Method and apparatus for analyzing encapsulated vapors
US4968885A Method and apparatus for introduction of liquid effluent into mass spectrometer and other gas-phase or particle detectors
US4980557A Method and apparatus surface ionization particulate detectors
US4977785A Method and apparatus for introduction of fluid streams into mass spectrometers and other gas phase detectors
GB8801873D0 Introduction of effluent into mass spectrometers and other gas-phase or particle detectors
US4814613A Collision cell for triple quadrupole tandem mass spectrometry