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NAT UNION ELECTRIC CORP

Overview
  • Total Patents
    239
About

NAT UNION ELECTRIC CORP has a total of 239 patent applications. Its first patent ever was published in 1951. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets furniture and games, machines and electrical machinery and energy are DUEPRO AG, ELECTRIC VACUUM CLEANER CO and LEWYT CORP.

Patent filings in countries

World map showing NAT UNION ELECTRIC CORPs patent filings in countries

Patent filings per year

Chart showing NAT UNION ELECTRIC CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schaefer Harold W 20
#2 Smithson Charles B 14
#3 Brooks Joseph F 13
#4 Hohulin Samuel E 12
#5 Richmond Clark S 10
#6 Zellhoefer Glenn F 9
#7 Lagerstrom Robert C 8
#8 Meyer Robert B 7
#9 Schaefer H 7
#10 Kronmiller Richard E 6

Latest patents

Publication Filing date Title
US5170561A Hub attachment for a drive shaft of a cordless grass/weed groomer trimmer
CA2023347A1 Stick type vacuum cleaner
US4777691A Motor driven brush assembly for vacuum cleaner
CA1264104A Lightweight battery powered suction broom
US4648149A Vacuum cleaner assembly
US4701975A Vacuum cleaner assembly
US4665582A Lightweight battery powered suction broom
US4621390A Vacuum cleaner assembly
US4392271A Electric vacuum cleaner with window for viewing belt
US4358098A Mounting nut
US4376322A Suction cleaner
US4311493A Vacuum cleaner bag assembly
GB2049855A Vacuum cleaner bag and duct assembly
US4312542A Method of making a brush-beater for a vacuum cleaner
FI793632A Borstvals foer dammsugare
US4249281A Self-propelled vacuum cleaner
DE2929965A1 IC engine driven portable chain saw - has cooling fan feeding air into exhaust gas mixing chamber before exhaust reaches outlet
US4369346A Microwave baking utensil
GB2062490A Porous bag for a vacuum cleaner
US4209873A Brush-beater for a vacuum cleaner and method for making the same