Chem-Tech, Ltd.
Records under this name other than patents Chem-Tech, Ltd. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 7 of 7 · Back to Chem-Tech, Ltd.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 5,020,689 | Metering and dispensing system Term ended Term ended no later than Jun 4, 2011 · Low confidence | Term ended | Term ended no later than Jun 4, 2011 | Low confidence |
| US 5,150,822 | Mixing head for dispensing an actine ingredient Term ended Term ended no later than Sep 29, 2012 · Low confidence | Term ended | Term ended no later than Sep 29, 2012 | Low confidence |
| US 5,326,228 | Liquid ejection mixing and dispensing apparatus Term ended Term ended no later than Jul 5, 2014 · Low confidence | Term ended | Term ended no later than Jul 5, 2014 | Low confidence |
| US 5,363,888 | Dispensing method and apparatus Term ended Term ended no later than Nov 15, 2014 · Low confidence | Term ended | Term ended no later than Nov 15, 2014 | Low confidence |
| US 5,375,635 | Tamper evident head for pressurized tanks including a lockout device Term ended Term ended no later than Dec 27, 2014 · Low confidence | Term ended | Term ended no later than Dec 27, 2014 | Low confidence |
| US 5,534,048 | Tin coating composition and method Formerly held Term ended Term ended no later than Jul 9, 2016 · Low confidence | Term ended | Term ended no later than Jul 9, 2016 | Low confidence |
| US 5,562,950 | Tin coating composition and method Formerly held Term ended Term ended no later than Oct 8, 2016 · Low confidence | Term ended | Term ended no later than Oct 8, 2016 | Low confidence |