CHANDLER SYSTEMS INC has a total of 29 patent applications. It increased the IP activity by 250.0%. Its first patent ever was published in 1995. It filed its patents most often in United States. Its main competitors in its focus markets chemical engineering, environmental technology and mechanical elements are NINGBO KEMAN ENVIRONMENTAL TECH CO LTD, HUNAN CHANGXIANG IND CO LTD and CHONGQING JIEXIN DIRECT DRINKING WATER PURIFYING EQUIPMENT CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 29 |
# | Industry | |
---|---|---|
#1 | Chemical engineering | |
#2 | Environmental technology | |
#3 | Mechanical elements | |
#4 | Measurement | |
#5 | Electrical machinery and energy |
# | Technology | |
---|---|---|
#1 | Water treatment | |
#2 | Venting or aerating devices | |
#3 | Chemical or physical processes | |
#4 | Measuring volume | |
#5 | Separation | |
#6 | Electric switches | |
#7 | Distribution of electric power | |
#8 | Servomotors | |
#9 | Installation of electric cables |
# | Name | Total Patents |
---|---|---|
#1 | Chandler Jr William D | 28 |
#2 | Wolfe Aaron R | 25 |
#3 | Harbaugh Cody A | 19 |
#4 | Frazer Patrick | 5 |
#5 | Chandler William D | 1 |
Publication | Filing date | Title |
---|---|---|
US10822251B1 | Piston valve with annular passages | |
US10829388B1 | Valve control apparatus | |
US10822250B1 | Valve control apparatus | |
US10948091B1 | Piston valve with annular passages | |
US10479699B1 | Valve control apparatus | |
US10495230B1 | Piston valve with annular passages | |
US10012319B1 | Piston valve with annular passages | |
US10011500B1 | Piston valve with annular passages | |
US2016153569A1 | Piston valve with annular passages | |
US2017197854A1 | Water treatment, filtration and management systems | |
US2014013839A1 | Water softener system and method | |
US7075443B1 | Wastewater fluid level sensing and control system | |
US6595051B1 | Fluid level sensing and control system | |
US6443005B1 | Pressure activated control | |
US5611616A | Electrical controls enclosure |