DURRUM INSTR

Overview

Total Patents

23

About

DURRUM INSTR has a total of 23 patent applications. Its first patent ever was published in 1963. It filed its patents most often in United States, Germany and United Kingdom. Its main competitors in its focus markets measurement, chemical engineering and organic fine chemistry are NEOGENESIS INC, COMGENEX RT and BARRSKOGEN INC.

Map
Trends
Similars
Markets
Inventors
List

Patent filings in countries

World map showing DURRUM INSTRs patent filings in countries

#	Country	Total Patents
#1	United States	8
#2	Germany	4
#3	United Kingdom	4
#4	Canada	3
#5	Japan	2
#6	France	1
#7	Sweden	1

Patent filings per year

Chart showing DURRUM INSTRs patent filings per year from 1900 to 2020

Similar Companies

NEOGENESIS INC 96% similarity

COMGENEX RT 94% similarity

BARRSKOGEN INC 94% similarity

SENSE PROTEOMIC LTD 92% similarity

MANDECKI WLODEK 89% similarity

BECKMAN RES INST CITY HOPE 89% similarity

ENTOPSIS 88% similarity

VIBRANT HOLDINGS LLC 88% similarity

SYNAMEM CORP 88% similarity

NIPPON LASER DENSHI KK 88% similarity

Focus industries

#	Industry
#1	Measurement
#2	Chemical engineering
#3	Organic fine chemistry
#4	Machines

Focus technologies

#	Technology
#1	Analysing materials
#2	Combinatorial chemistry
#3	Chemical or physical processes
#4	Measuring light
#5	Chemical or physical laboratory devices
#6	Mixing
#7	Preparation of materials
#8	Unspecified technologies

Top inventors

#	Name	Total Patents
#1	Sproul Donald P	2
#2	Dreyer William J	2
#3	Tipotsch Donald G	2
#4	Hare Peter Edgar	2
#5	Stickney Michael E	2
#6	Dreyer William Jakob	1
#7	Piitaa Edogaa Hea	1
#8	Uiriamu Yakobu Doreiyaa	1
#9	G Tipotsch Donalds	1
#10	Patrik Sproul Donald	1

Latest patents

Publication	Filing date	Title
US4065412A	1976-05-07	Peptide or protein sequencing method and apparatus
US3933430A	1975-06-25	Constant flow system for detection of amino acids
US3932136A	1973-06-01	Integrated flow path block
US3859859A	1973-06-01	Spring syringe drive apparatus
US3602597A	1969-09-17	Differential circular dichroism measuring apparatus
US3637311A	1967-10-30	Optical dichroism measuring apparatus and method
US3512001A	1966-09-22	System for measuring differential absorption in which the transducer circuit gain is varied
US3202325A	1963-04-01	Fraction collector
CA846498A	None	Differential absorption measuring system
CA863604A	None	Optical dichroism measuring apparatus and method