Impact Systems, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 1100

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6185468 Decoupling controller for use with a process having two input variables and two output variablesFeb 20, 98Feb 06, 01[G05B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0177,790 Distributed records management systemAbandonedJan 19, 07Jul 24, 08[G06F]
6493601 Real time measurement system for a moving web using a Kalman filter algorithmExpiredJun 18, 99Dec 10, 02[G06F]
6477290 Fiber optic switch using MEMSExpiredFeb 15, 00Nov 05, 02[G02B]
6366826 Publication distribution systemExpiredFeb 26, 99Apr 02, 02[G06F]
6253604 Scanner with interior gauging head and combined dust and drive beltExpiredJan 19, 00Jul 03, 01[G01L, D21F]
6169848 Cross-direction dryer for a machine producing sheet material moving in a machine direction having both gas powered and electric heating portionsExpiredJan 06, 00Jan 02, 01[F24C]
6145211 Contacting thickness gauge for moving sheet materialExpiredDec 17, 98Nov 14, 00[B65H, G01B]
6133578 Nuclear gauge for measuring a characteristic of moving sheet material and alignment compensationExpiredJul 07, 98Oct 17, 00[G21F]
6098311 Air heating and control systemExpiredSep 16, 98Aug 08, 00[F26B]
6031620 Gloss sensor resistant to tilting and shifting paper and with improved calibrationExpiredApr 28, 98Feb 29, 00[G01N, G01B]
6000328 Gloss control system using air jetsExpiredMar 05, 98Dec 14, 99[D21G, B30B]
5132619 Thickness gauge having a low unsprung weight for moving sheet material for lightweight paperExpiredMay 31, 91Jul 21, 92[G01B, G01R, D21F]
5070626 Arrangement for a process plant arranged for the heat treatment of strip-shaped productsExpiredJun 21, 90Dec 10, 91[F26B]
5010766 Error compensation for measuring gaugesExpiredNov 30, 89Apr 30, 91[G01N, G01B]
4990085 Arrangement for an exhaust in a plant arranged for the heat-treatment of products in form of a continuous stripExpiredAug 22, 89Feb 05, 91[F27B, F26B]
4980846 Process and apparatus for controlling on-line a parameter of a moving sheetExpiredApr 07, 88Dec 25, 90[G01N, G06F]
4949478 Arrangement for a process plant arranged for the heat treatment of strip-shaped productsExpiredAug 01, 88Aug 21, 90[F26B]
4929895 Thickness gauge for moving sheet material with inner and outer flexibly mounted bearingsExpiredMar 22, 89May 29, 90[G01B, G01R, D21F]
4908956 Power controller for heater loadExpiredMar 28, 89Mar 20, 90[F26B]
4859926 Power controller for heater loadExpiredJan 19, 88Aug 22, 89[G05F]

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