KV ASSOC INC has a total of 26 patent applications. Its first patent ever was published in 1979. It filed its patents most often in Canada, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets environmental technology, measurement and chemical engineering are THINKVILLAGE KERFOOT LLC, KERFOOT WILLIAM B and KERFOOT WILLIAM.
# | Country | Total Patents | |
---|---|---|---|
#1 | Canada | 7 | |
#2 | WIPO (World Intellectual Property Organization) | 5 | |
#3 | United States | 4 | |
#4 | EPO (European Patent Office) | 3 | |
#5 | Austria | 1 | |
#6 | Australia | 1 | |
#7 | France | 1 | |
#8 | United Kingdom | 1 | |
#9 | Netherlands | 1 | |
#10 | Norway | 1 | |
#11 | Sweden | 1 |
# | Industry | |
---|---|---|
#1 | Environmental technology | |
#2 | Measurement | |
#3 | Chemical engineering | |
#4 | Machines | |
#5 | Civil engineering |
# | Name | Total Patents |
---|---|---|
#1 | Kerfoot William B | 22 |
#2 | Skinner Jr Stuart M | 2 |
#3 | Skinner Stuart M Jr | 2 |
#4 | Skinner Jr S M | 1 |
#5 | Kerfoot W B | 1 |
#6 | Skinner Stuart M | 1 |
Publication | Filing date | Title |
---|---|---|
CA2431176A1 | Groundwater remediation | |
EP1239978A2 | Microporous diffuser and method of water remediation | |
CA2394021A1 | Springbox for water remediation | |
WO9821152A1 | Groundwater remediation with microporous diffusor | |
EP0946431A1 | Groundwater remediation with microporous diffusor | |
EP0851843A1 | Subsurface remediation method and apparatus | |
US4804050A | Method of underground fluid sampling | |
US4484626A | Pneumatic packer | |
CA1172872A | Groundwater flow meter | |
US4391137A | Groundwater flow meter | |
US4270922A | Integrating corrosion monitor |