Assignee
IMPACT SYSTEMS INC
US·25 granted patents·462 citations·filing 1983–2000
Top patents by PatentIndex Score
25 records- 0186US4494316AApparatus for drying a moving webIMPACT SYSTEMS INC·Filed 1983·Granted Jan 22, 1985·47 cites·12 claims
- 0285US6169848B1Cross-direction dryer for a machine producing sheet material moving in a machine direction having both gas powered and electric heating portionsIMPACT SYSTEMS INC·Filed 2000·Granted Jan 2, 2001·31 cites·5 claims
- 0381US4859926APower controller for heater loadIMPACT SYSTEMS INC·Filed 1988·Granted Aug 22, 1989·35 cites·9 claims
- 0477US4791367AContacting thickness gauge for moving sheet materialIMPACT SYSTEMS INC·Filed 1987·Granted Dec 13, 1988·32 cites·4 claims
- 0577US4748400AMethod for controlling the amount of moisture associated with a web of moving materialIMPACT SYSTEMS INC·Filed 1987·Granted May 31, 1988·39 cites·5 claims
- 0673US4791353AScanning combination thickness and moisture gauge for moving sheet materialIMPACT SYSTEMS INC·Filed 1987·Granted Dec 13, 1988·31 cites·3 claims
- 0769US5010766AError compensation for measuring gaugesIMPACT SYSTEMS INC·Filed 1989·Granted Apr 30, 1991·28 cites·9 claims
- 0864US6031620AGloss sensor resistant to tilting and shifting paper and with improved calibrationIMPACT SYSTEMS INC·Filed 1998·Granted Feb 29, 2000·26 cites·14 claims
- 0964US4514913AApparatus for drying a moving web having movable dryer modulesIMPACT SYSTEMS INC·Filed 1984·Granted May 7, 1985·18 cites·8 claims
- 1063US5132619AThickness gauge having a low unsprung weight for moving sheet material for lightweight paperIMPACT SYSTEMS INC·Filed 1991·Granted Jul 21, 1992·23 cites·8 claims
- 1160US4929895AThickness gauge for moving sheet material with inner and outer flexibly mounted bearingsIMPACT SYSTEMS INC·Filed 1989·Granted May 29, 1990·17 cites·8 claims
- 1259US6253604B1Scanner with interior gauging head and combined dust and drive beltIMPACT SYSTEMS INC·Filed 2000·Granted Jul 3, 2001·3 cites·8 claims
- 1353US6185468B1Decoupling controller for use with a process having two input variables and two output variablesIMPACT SYSTEMS INC·Filed 1998·Granted Feb 6, 2001·19 cites·9 claims
- 1452US4789431AApparatus for sensing the thickness of a pulp suspension on the forming wire of a paper machineIMPACT SYSTEMS INC·Filed 1987·Granted Dec 6, 1988·14 cites·7 claims
- 1551US4949478AArrangement for a process plant arranged for the heat treatment of strip-shaped productsIMPACT SYSTEMS INC·Filed 1987·Granted Aug 21, 1990·13 cites·27 claims
- 1645US6145211AContacting thickness gauge for moving sheet materialIMPACT SYSTEMS INC·Filed 1998·Granted Nov 14, 2000·7 cites·15 claims
- 1745US4980846AProcess and apparatus for controlling on-line a parameter of a moving sheetIMPACT SYSTEMS INC·Filed 1988·Granted Dec 25, 1990·34 cites·3 claims
- 1843US4509270AMethod and apparatus for drying a moving webIMPACT SYSTEMS INC·Filed 1983·Granted Apr 9, 1985·9 cites·11 claims
- 1942US6133578ANuclear gauge for measuring a characteristic of moving sheet material and alignment compensationIMPACT SYSTEMS INC·Filed 1998·Granted Oct 17, 2000·8 cites·10 claims
- 2040US6493601B1Real time measurement system for a moving web using a Kalman filter algorithmIMPACT SYSTEMS INC·Filed 1999·Granted Dec 10, 2002·12 cites·6 claims
- 2130US5070626AArrangement for a process plant arranged for the heat treatment of strip-shaped productsIMPACT SYSTEMS INC·Filed 1990·Granted Dec 10, 1991·7 cites·8 claims
- 2230US4908956APower controller for heater loadIMPACT SYSTEMS INC·Filed 1989·Granted Mar 20, 1990·9 cites·12 claims
- 2327US6098311AAir heating and control systemIMPACT SYSTEMS INC·Filed 1998·Granted Aug 8, 2000·0 cites·4 claims
- 2421US4990085AArrangement for an exhaust in a plant arranged for the heat-treatment of products in form of a continuous stripIMPACT SYSTEMS INC·Filed 1988·Granted Feb 5, 1991·0 cites·17 claims
- 259US6000328AGloss control system using air jetsIMPACT SYSTEMS INC·Filed 1998·Granted Dec 14, 1999·0 cites·5 claims
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