TC

Tom Christiansen

SA S-Rain Control A/S: 6 patents #1 of 3Top 35%
NS National Semiconductor: 1 patents #1,247 of 2,238Top 60%
📍 Whittier, CA: #19 of 578 inventorsTop 4%
🗺 California: #35,036 of 386,348 inventorsTop 10%
Overall (All Time): #272,852 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
D922968 Encoder/decoder of remote controller for water irrigation 2021-06-22
8446193 Apparatus and method to hold PLL output frequency when input clock is lost Ben Zhang, Christopher Andrew Schell 2013-05-21
8352088 System and a method for optimising and providing power to a core of a valve 2013-01-08
7421317 Two-wire controlling and monitoring system for the irrigation of localized areas of soil 2008-09-02
7206669 Two-wire controlling and monitoring system for the irrigation of localized areas of soil 2007-04-17
7146255 Two-wire controlling and monitoring system for irrigation of localized areas of soil 2006-12-05
D518178 Biopsy punch 2006-03-28
6993416 Two-wire controlling and monitoring system for irrigation of localized areas of soil 2006-01-31
6766221 Two-wire controlling and monitoring system for irrigation of localized areas of soil 2004-07-20
D471475 Flow meter end fitting with integral tube connector-version 4 2003-03-11
D470065 Miniature cage valve for low flow rotameter 2003-02-11
D470066 Flow meter end fitting with integral tube connector-version 3 2003-02-11
D470067 Flow meter end fitting with integral tube connector—version 2 2003-02-11
D462026 Flow meter end fitting with integral tube connector 2002-08-27
D457825 Flow meter tube rest gasket with integral float stop 2002-05-28
D457452 Rotameter tube O-ring retention 2002-05-21
D457083 Low flow rotameter 2002-05-14