Learn more

BROWN DAVID B

Overview
  • Total Patents
    14
About

BROWN DAVID B has a total of 14 patent applications. Its first patent ever was published in 1909. It filed its patents most often in United States, Canada and Israel. Its main competitors in its focus markets environmental technology, measurement and biotechnology are WEMA SYSTEM AS, SAKURAI KENJI and TECOGEN INC.

Patent filings in countries

World map showing BROWN DAVID Bs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 2
#3 Israel 1
#4 Mexico 1

Patent filings per year

Chart showing BROWN DAVID Bs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Brown David B 14
#2 Paratore Jr Michael J 2
#3 Lu Shuguang 1
#4 Smith Stuart R 1
#5 Li Wei 1
#6 Wiley William Alfred 1
#7 Viola Michael B 1
#8 Lee Jong H 1

Latest patents

Publication Filing date Title
US2012285141A1 Particulate filter regeneration method
US2011082031A1 Method and system for monitoring a hydrocarbon adsorber
US2010319342A1 Exhaust treatment system for an internal combustion engine
US2008295496A1 Injection anti-coking system for particulate filters
US2007068139A1 Exhaust treatment system diagnostic via ammonium nitrite decomposition
US5358847A Method of screening for human sperm abnormalities as part of a regimen for assessing fertilizing capacity based upon reduced rates of chromatin decondensation and DNA synthesis
US1854577A Straight-razor stropping machine
US1455567A Safety-razor-blade resharpener
US928243A Paper-actuating device for barbers' chairs.
CA50480A Process for graining and ornamental painting