HEINRICH WALTER A has a total of 14 patent applications. Its first patent ever was published in 1928. It filed its patents most often in United States and Canada. Its main competitors in its focus markets electrical machinery and energy, machine tools and machines are OLVIS SMELTZEKERINGEN, FIRST IND CORP and OLVIS NV.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 13 | |
#2 | Canada | 1 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Machine tools | |
#3 | Machines | |
#4 | Civil engineering | |
#5 | Furniture and games | |
#6 | Consumer goods |
# | Name | Total Patents |
---|---|---|
#1 | Heinrich Walter A | 14 |
Publication | Filing date | Title |
---|---|---|
US2718909A | Jig saws | |
US2487652A | Clothes supporting device | |
US2505044A | Wristband | |
US1948856A | Tool for setting earth anchors | |
US1900498A | Earth anchor | |
US1906854A | Lineman's tool | |
US1948855A | Protective apparatus for high tension transmission lines | |
US1877312A | Supporting device for electrical equipments | |
US1903455A | Electric switch | |
US1918541A | Fuse and disconnect switch | |
US1956026A | Switch contact | |
US1877311A | Expulsion cut-out | |
CA528033A | Jig saws |