Assignee
NAT POWER PLC
US·20 granted patents·1,344 citations·filing 1989–1999
Top patents by PatentIndex Score
20 records- 0195USRE37603EGas compressorNAT POWER PLC·Filed 1993·Granted Mar 26, 2002·149 cites·8 claims
- 0295US5934076AHeat engine and heat pumpNAT POWER PLC·Filed 1993·Granted Aug 10, 1999·149 cites·22 claims
- 0395US5771693AGas compressorNAT POWER PLC·Filed 1993·Granted Jun 30, 1998·142 cites·8 claims
- 0494US6225368B1Water based graftingNAT POWER PLC·Filed 1999·Granted May 1, 2001·95 cites·29 claims
- 0591US6086643AMethod for the fabrication of electrochemical cellsNAT POWER PLC·Filed 1996·Granted Jul 11, 2000·124 cites·10 claims
- 0690US6206660B1Apparatus for controlling gas temperature in compressorsNAT POWER PLC·Filed 1997·Granted Mar 27, 2001·136 cites·56 claims
- 0786US5439757AElectrochemical energy storage and/or power delivery cell with pH controlNAT POWER PLC·Filed 1993·Granted Aug 8, 1995·66 cites·6 claims
- 0885US5422197AElectrochemical energy storage and power delivery process utilizing iron-sulfur coupleNAT POWER PLC·Filed 1993·Granted Jun 6, 1995·61 cites·12 claims
- 0978US5496659AElectrochemical apparatus for energy storage and/or power delivery comprising multi-compartment cellsNAT POWER PLC·Filed 1993·Granted Mar 5, 1996·45 cites·30 claims
- 1078US5474832AFilm type packing element for use in cooling towersNAT POWER PLC·Filed 1992·Granted Dec 12, 1995·50 cites·28 claims
- 1177US6295542B1Method and apparatus for cross-referencing textNAT POWER PLC·Filed 1998·Granted Sep 25, 2001·133 cites·26 claims
- 1274US5545492AElectrochemical apparatus for power delivery utilizing an air electrodeNAT POWER PLC·Filed 1993·Granted Aug 13, 1996·49 cites·21 claims
- 1371US5612148AProcess for energy storage and/or power delivery with means for restoring electrolyte balanceNAT POWER PLC·Filed 1994·Granted Mar 18, 1997·32 cites·11 claims
- 1462US5626731ACation exchange membranes and method for the preparation of such membranesNAT POWER PLC·Filed 1995·Granted May 6, 1997·29 cites·13 claims
- 1561US5705534AMethod for the preparation of cation exchange membranes doped with insoluble metal saltsNAT POWER PLC·Filed 1996·Granted Jan 6, 1998·28 cites·10 claims
- 1658US5830921ACation exchange membranes and method for the preparation of such membranesNAT POWER PLC·Filed 1996·Granted Nov 3, 1998·25 cites·9 claims
- 1748US5785912AMethod for the fabrication of an electrochemical cell having long term chemical stabilityNAT POWER PLC·Filed 1995·Granted Jul 28, 1998·24 cites·11 claims
- 1830US5285162AGalvanic current measuring method and apparatus for monitoring build-up of biological deposits on surfaces of dissimilar metal electrodes immersed in waterNAT POWER PLC·Filed 1989·Granted Feb 8, 1994·4 cites·11 claims
- 1922US5282949AGlass pH electrodesNAT POWER PLC·Filed 1993·Granted Feb 1, 1994·2 cites·8 claims
- 2021US5304296AGlass pH electrodesNAT POWER PLC·Filed 1991·Granted Apr 19, 1994·1 cites·5 claims
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