Learn more

HOLLINGSHEAD CORP

Overview
  • Total Patents
    46
About

HOLLINGSHEAD CORP has a total of 46 patent applications. Its first patent ever was published in 1934. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets basic materials chemistry, mechanical elements and surface technology and coating are BEREUTER HEINZ, FUKUTANI YASUO and PANJIN NORTHERN ASPHALT CO LTD.

Patent filings in countries

World map showing HOLLINGSHEAD CORPs patent filings in countries
# Country Total Patents
#1 United States 22
#2 Canada 9
#3 United Kingdom 6
#4 France 4
#5 Germany 3
#6 Switzerland 1
#7 Sweden 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Bagley Thomas J 6
#2 Esposito Vito 4
#3 Bagley Robert M 4
#4 Mantz Victor M 3
#5 Jones Lerroy V 2
#6 Cipolone Ernest E 2
#7 Vito Esposito 2
#8 Shibe Jr William J 2
#9 Willis Stanley J 2
#10 Nowack Clarence J 2

Latest patents

Publication Filing date Title
GB1273500A Corrosion inhibitor for aqueous internal combustion engine coolant
US3550240A Can neck placing apparatus
US3364658A Multi-phase separation unit
US3365312A Metal cleaner, article and method
US3279929A Fire retarding composition and method of making the same
US3341573A Polyamide esters for hydraulic fluids and method of making the same
GB923044A Combination pump and filter-conditioner for use in liquid circulating
US3002624A Combination pump and filter for recirculating liquid systems
US2950844A Stackable containers
US2909551A Disiloxane ester ethers
US2786797A Corrosion-inhibited quaternary ammonium compositions
FR1057519A Improvements to processes for treating liquid resin (tall oil) with alkylene oxides
GB721778A Improvements in or relating to treating tall oil with alkylene oxides
DE907209C Hydraulic fluids
FR1044068A Improvements to liquid compositions for hydraulic devices
GB703877A Improvements in or relating to hydraulic fluid composition
US2675363A Atomized aluminum-resin coating composition
US2623026A Coating compositions for floors and the like
US2685565A Filtering and cleaning means
US2610966A Process for treating tall oil with alkylene oxides