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NAT SERVICE IND INC

Overview
  • Total Patents
    65
About

NAT SERVICE IND INC has a total of 65 patent applications. Its first patent ever was published in 1963. It filed its patents most often in United States, Canada and Japan. Its main competitors in its focus markets electrical machinery and energy, machines and audio-visual technology are NSI ENTERPRISES INC, FONDERAL SRL and PALAIOCHORINOS IOANNIS.

Patent filings in countries

World map showing NAT SERVICE IND INCs patent filings in countries
# Country Total Patents
#1 United States 37
#2 Canada 26
#3 Japan 1
#4 Mexico 1

Patent filings per year

Chart showing NAT SERVICE IND INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Johnson James C 9
#2 Brown Raymond A 3
#3 Smith Stephen T 3
#4 Hentz Joseph A 3
#5 Wooley Robert E 3
#6 Schmidt Peter Michael 3
#7 Hinnefeld Jon D 2
#8 Mcquade Lawrence E 2
#9 Norris Roger Erle 2
#10 Masters Andrew Edward 2

Latest patents

Publication Filing date Title
US5814971A Emergency florescent inverter for magnetic and electronic ballasts
US5887968A Light distribution reflector for exit signs and the illuminated by LED arrays
CA2202816A1 Lighting fixture
MX9700404A Reflective materials for manufacture of reflective lighting elements including parabolic louvers and the like.
US5806972A Light trap and louver mounting to fluorescent troffer lighting fixture
US5823663A Fluorescent troffer lighting fixture
US5707143A Pull-on clip for downlight reflector trim
CA2177634A1 Reflective materials for manufacture of reflective lighting elements including parabolic louvers and the like
US5640792A Lighting fixtures
CA2142132A1 Methods and apparatus for illumination of signs utilizing light emitting diodes
CA2137860A1 Emergency lighting system incorporating selective control of fixtures
US5526251A Emergency lighting connections
US5611163A Direction indicator covers for emergency lighting systems
CA2118541A1 Apparatus for Selecting Fixture Conductors and Method for Rapidly Wiring Said Fixtures
US5463280A Light emitting diode retrofit lamp
US5452193A Inclined ceiling downlight fixtures
US5165523A Selectively removable block and pusher assembly and feed chain therefor
US5202608A Emergency lighting system utilizing improved and rapidly installable fluorescent inverter
US5125885A Bonded envelope stack and method and apparatus for making same
US4993624A Two-way bar code window envelope