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GROSS LEO

Overview
  • Total Patents
    12
About

GROSS LEO has a total of 12 patent applications. Its first patent ever was published in 1926. It filed its patents most often in United States, Belgium and EPO (European Patent Office). Its main competitors in its focus markets electrical machinery and energy, environmental technology and optics are YANNENG SCIENCE & TECHNOLOGY, NEATE ANDREW SIMON and HUANG TIANZAI.

Patent filings in countries

World map showing GROSS LEOs patent filings in countries
# Country Total Patents
#1 United States 6
#2 Belgium 1
#3 EPO (European Patent Office) 1
#4 Spain 1
#5 United Kingdom 1
#6 Italy 1
#7 Portugal 1

Patent filings per year

Chart showing GROSS LEOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gross Leo 8
#2 Skeist S Merrill 4
#3 Skeist Merrill S 1
#4 Gross L 1
#5 Skeist Merril S 1

Latest patents

Publication Filing date Title
US4439021A Motor vehicle rear viewing system
US4341979A Fluorescent lamp with rotating magnetic field arc spreading device
US4443734A High intensity discharge lamp with arc spreading means
US4341977A Arc spreading with initiators
US4187446A Screw-in fluorescent lamp with magnetic arc spreading
US3540985A Microbiological inhibition testing device
GB260821A Improvements in or relating to sound producing and other dolls and animal toys