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MARRA JOHN J

Overview
  • Total Patents
    11
About

MARRA JOHN J has a total of 11 patent applications. Its first patent ever was published in 1992. It filed its patents most often in United States, Canada and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets engines, pumps and turbines, machine tools and machines are LEE CHING-PANG, CAMPBELL CHRISTIAN X and FRANCO TOSI MECCANICA S P A.

Patent filings in countries

World map showing MARRA JOHN Js patent filings in countries

Patent filings per year

Chart showing MARRA JOHN Js patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Marra John J 10
#2 James Allister W 2
#3 Zombo Paul J 1
#4 Morrison Jay A 1
#5 Gear Paul J 1
#6 Merrill Gary B 1
#7 Marra John J Jr 1
#8 Wessell Brian J 1
#9 Campbell Ernie B 1
#10 Marsh Jan H 1

Latest patents

Publication Filing date Title
US2015132117A1 Gas turbine engine ducting arrangement having discrete insert
US2013004294A1 Ductile alloys for sealing modular component interfaces
US2012263575A1 Low pressure cooling seal system for a gas turbine engine
US2012034097A1 Component with inspection-facilitating features
US2011299990A1 Turbine airfoil with outer wall thickness indicators
US2011194939A1 Snubber assembly for turbine blades
US2011142654A1 Turbine blade damping device with controlled loading
US2011058949A1 Turbine airfoil fabricated from tapered extrusions
US2011038734A1 Turbine blade having a constant thickness airfoil skin
CA2111351A1 Cover for hospital bed rails