DD

David A. Drake

HA Hadronex: 12 patents #1 of 13Top 8%
PT Pointsource Technologies: 2 patents #8 of 10Top 80%
OT Oak Technology: 2 patents #14 of 64Top 25%
LP Lyondell Petrochemical: 1 patents #12 of 32Top 40%
Overall (All Time): #213,237 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12210134 Environmental monitoring system Gregory M. Quist, Glen A. Hill, Lawrence B Merchell 2025-01-28
12111200 Phased array radar for fluid sensing Gregory M. Quist, David B Rees, Lawrence B Merchell 2024-10-08
11709222 Manhole cover roadway electromagnetic safety device Gregory M. Quist 2023-07-25
11686082 Detection and monitoring system for the management of combined sewer systems Gregory M. Quist, David B Rees, Lawrence B Merchell, John D. Boyd 2023-06-27
11346096 Detection and monitoring system for the management of combined sewer systems Gregory M. Quist, David B Rees, Lawrence B Merchell, John D. Boyd 2022-05-31
10901068 Manhole cover roadway radar safety device Gregory M. Quist 2021-01-26
10612228 Detection and monitoring system for the management of combined sewer systems Gregory M. Quist, David B Rees, Lawrence B Merchell, John D. Boyd 2020-04-07
9482568 Detecting a sediment condition in a conduit Gregory M. Quist, Lawrence B Merchell 2016-11-01
9297684 Estimating flow rates of a liquid in a conduit Gregory M. Quist, Lawrence B Merchell, Justin H. Hobbs 2016-03-29
8607654 Platform for suspended sensor stabilization Justin H. Hobbs, Daryl Norval, Gregory M. Quist 2013-12-17
7948215 Methods and apparatuses for power generation in enclosures Gregory M. Quist 2011-05-24
7944352 Remote sensing and communication system Gregory M. Quist 2011-05-17
7598858 Methods, apparatuses, and systems for monitoring environmental parameters within an enclosure Gregory M. Quist 2009-10-06
7589630 Remote sensing and communication system Gregory M. Quist 2009-09-15
7292143 Remote sensing and communication system Gregory M. Quist 2007-11-06
6760107 Detection of scattered light from particles 2004-07-06
6573992 Plano convex fluid carrier for scattering correction 2003-06-03
5154840 Environmentally friendly grease compositions Thomas F. Wulfers 1992-10-13
4531020 Multi-layer encryption system for the broadcast of encrypted information Anthony Wechselberger, Leo I. Bluestein, Leo Jedynak, Larry Wayne Simpson 1985-07-23
4531021 Two level encripting of RF signals Leo I. Bluestein, Paul E. Crandell, Leo Jedynak, Larry Wayne Simpson 1985-07-23