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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 97 | |
#2 | Canada | 39 | |
#3 | United Kingdom | 25 | |
#4 | Germany | 22 | |
#5 | France | 11 | |
#6 | Sweden | 9 | |
#7 | Denmark | 5 | |
#8 | Italy | 5 | |
#9 | Netherlands | 5 | |
#10 | Finland | 4 | |
#11 | Norway | 4 | |
#12 | Australia | 3 | |
#13 | Belgium | 3 | |
#14 | EPO (European Patent Office) | 3 | |
#15 | Japan | 2 | |
#16 | Mexico | 1 | |
#17 | New Zealand | 1 |
# | Industry | |
---|---|---|
#1 | Furniture and games | |
#2 | Machines | |
#3 | Electrical machinery and energy | |
#4 | Consumer goods | |
#5 | Control | |
#6 | Materials and metallurgy | |
#7 | Engines, pumps and turbines |
# | Technology | |
---|---|---|
#1 | Domestic washing | |
#2 | Unspecified technologies | |
#3 | Batteries | |
#4 | Brushes | |
#5 | Electric discharge tubes | |
#6 | Unspecified technologies | |
#7 | Alarm systems | |
#8 | Treatment of glass | |
#9 | Non-positive-displacement pumps | |
#10 | Manufacturing processes |
# | 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 |
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 |