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MARVEL ENG CO

Overview
  • Total Patents
    87
About

MARVEL ENG CO has a total of 87 patent applications. Its first patent ever was published in 1943. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets chemical engineering, machines and electrical machinery and energy are HYDAC PROCESS TECHNOLOGY GMBH, PRODUCTS UNLIMITED INC and KURITA MACHINERY MANUF.

Patent filings in countries

World map showing MARVEL ENG COs patent filings in countries
# Country Total Patents
#1 United States 54
#2 Canada 11
#3 United Kingdom 11
#4 Germany 10
#5 Australia 1

Patent filings per year

Chart showing MARVEL ENG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kudlaty Walter J 47
#2 Heinrich Peter Jr 8
#3 Niccum Forest G 7
#4 J Kudlaty Walter 6
#5 Thomas William A 5
#6 Luchetta Robert N 5
#7 Sochor Robert T 4
#8 Heinrich Jun Peter 3
#9 Luchetta Robert 2
#10 Holliday Theodore B 2

Latest patents

Publication Filing date Title
US4223302A Conditions monitoring device
US4032743A Laser microperforator
US3849314A Filter media inserts
DE2307246A1 Rotary drum filter - with large filtration area and of simple mechanical construction
CA998341A Continuous flow suction filter
DE2258983A1 Continuous flow suction filter assembly - having a sliding by-pass valve
GB1413497A Filter assembly
US3747761A Continuous flow suction filter
US3729019A Bi-directional check valve
US3654414A Indicator switch assembly
US3592766A Separable filter element assembly
US3647083A Slip-on filter structure
US3628662A Filter antidrain valve assembly
US3528557A Filter construction
US3618776A Filter assembly bypass kit
US3528552A Hydrocyclonic separator
US3528556A Hydraulic cleanout system
DE1911876A1 Air operated filter
US3552874A Purged air hydraulic fluid system
US3534150A Switch protector