JOHNSON WALTER A has a total of 14 patent applications. Its first patent ever was published in 1909. It filed its patents most often in United States, Canada and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets agriculture, measurement and machines are LUMITEST LTD, SERVOTEK AB and COLAB LAB INC.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 10 | |
#2 | Canada | 3 | |
#3 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Agriculture | |
#2 | Measurement | |
#3 | Machines | |
#4 | Computer technology | |
#5 | Machine tools |
# | Technology | |
---|---|---|
#1 | Analysing materials | |
#2 | Harvesting | |
#3 | Unspecified technologies | |
#4 | Accessories for machine tools | |
#5 | Animal care | |
#6 | Counting mechanisms |
# | Name | Total Patents |
---|---|---|
#1 | Johnson Walter A | 14 |
#2 | Hueckler Rudlif | 1 |
#3 | Rudolf Hueckler | 1 |
#4 | Knothe Charles H | 1 |
Publication | Filing date | Title |
---|---|---|
WO9106852A1 | Gas purity analyzer and method | |
US5088315A | Gas purity analyzer and method | |
US5179523A | Method for determining the mole percent of a gas in binary gas mixture | |
US2804713A | Fishing device | |
US2306447A | Pitman | |
US2173687A | Mower cutting structure | |
US2149347A | Mower cutter bar unit | |
US2075117A | Cutter bar guard resetting device | |
US1584300A | Testing machine | |
US1496544A | Fuel register | |
US1000011A | Adjustable stop for machine-tool holders. | |
CA392277A | Mower cutter bar unit | |
CA276717A | Apparatus for testing bursting strains | |
CA219710A | Bug destroyer |