Drexelbrook Controls, Inc.
Records under this name other than patents Drexelbrook Controls, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
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| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,062,070 | Method and apparatus for the sonic measurement of sludge and clarity conditions during the treatment of waste water Term ended Term ended Oct 29, 2016 · From the USPTO record | Term ended | Term ended Oct 29, 2016 | From the USPTO record |
| US 6,212,943 | Method and apparatus for the sonic measurement of sludge and clarity conditions during the treatment on waste water Formerly held Lapsed on the fee record Ended Apr 10, 2013 · From the USPTO record | Lapsed on the fee record | Ended Apr 10, 2013 | From the USPTO record |
| US 6,215,319 | High accuracy measuring system Formerly held Lapsed on the fee record Ended Apr 10, 2013 · From the USPTO record | Lapsed on the fee record | Ended Apr 10, 2013 | From the USPTO record |
| US 3,936,738 | Method of and apparatus for measuring the amount of coating material applied to substrates Term ended Term ended no later than Feb 3, 1996 · Low confidence | Term ended | Term ended no later than Feb 3, 1996 | Low confidence |
| US 3,993,947 | Admittance measuring system for monitoring the condition of materials Term ended Term ended no later than Nov 23, 1996 · Low confidence | Term ended | Term ended no later than Nov 23, 1996 | Low confidence |
| US 4,064,753 | RF admittance measuring method and apparatus for determining the level of a conductive liquid Term ended Term ended no later than Dec 27, 1997 · Low confidence | Term ended | Term ended no later than Dec 27, 1997 | Low confidence |
| US 4,146,834 | Admittance measuring system for monitoring the condition of materials Term ended Term ended no later than Mar 27, 1999 · Low confidence | Term ended | Term ended no later than Mar 27, 1999 | Low confidence |
| US 4,166,388 | RF Admittance measuring method and apparatus for determining the level of a conductive liquid Term ended Term ended no later than Sep 4, 1999 · Low confidence | Term ended | Term ended no later than Sep 4, 1999 | Low confidence |
| US 4,208,909 | Admittance sensing probe having multiple sensing elements Term ended Term ended no later than Jun 24, 2000 · Low confidence | Term ended | Term ended no later than Jun 24, 2000 | Low confidence |
| US 4,232,300 | Level measuring system using admittance sensing Term ended Term ended no later than Nov 4, 2000 · Low confidence | Term ended | Term ended no later than Nov 4, 2000 | Low confidence |