WILLOW TECHNOLOGY INC has a total of 12 patent applications. Its first patent ever was published in 1974. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets environmental technology, basic materials chemistry and chemical engineering are N VIRO ENERGY SYSTEMS LTD, BION TECHNOLOGIES INC and HILGERS GMBH UMWELT TECHNIK.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 7 | |
#2 | Canada | 2 | |
#3 | Germany | 1 | |
#4 | EPO (European Patent Office) | 1 | |
#5 | France | 1 |
# | Industry | |
---|---|---|
#1 | Environmental technology | |
#2 | Basic materials chemistry | |
#3 | Chemical engineering | |
#4 | Machines | |
#5 | Measurement | |
#6 | Thermal processes |
# | Name | Total Patents |
---|---|---|
#1 | Wurtz William O | 10 |
#2 | Wurtz William Osgan | 1 |
Publication | Filing date | Title |
---|---|---|
US5196043A | Delayed, exothermic, alkaline sterilization method for treating wastewater sludges | |
US4997572A | High rate method for alkaline stabilization, beneficiating and pelletizing of wastewater treatment plant sludges | |
US4619381A | Method and apparatus for discharging materials from a storage bin | |
US4708268A | Method and apparatus for the accurate volumetric feeding of materials | |
US4658891A | Method and apparatus for thermally processing viscous, shear sensitive materials | |
US4306978A | Method for lime stabilization of wastewater treatment plant sludges | |
US3941357A | Method and apparatus for mixing viscous materials |