Carolina Power & Light Company

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6098655 Alleviating sticking of normally closed valves in nuclear reactor plantsDec 03, 96Aug 08, 00[F16K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6648570 Lifting and installing streetlight polesExpiredJun 15, 01Nov 18, 03[B66F]
5742000 Device and method for preventing arcing and resultant flashing during repairs performed inside pad-mounted transformersExpiredNov 03, 93Apr 21, 98[H02G]
5627761 Internal alignment of rotating and stationary components within a steam or gas turbineExpiredSep 30, 94May 06, 97[G01B]
5571232 Thermal energy storage tank containing submerged ice massExpiredJun 02, 95Nov 05, 96[F25D]
5537813 Gas turbine inlet air combined pressure boost and cooling method and apparatusExpiredMar 07, 95Jul 23, 96[F02G]
5476352 Transporting and setting utility poles in inaccessible locationsExpiredJun 02, 94Dec 19, 95[A01G]
5390501 Hydraulic conveyance of particulate materials such as ice particlesExpiredJan 12, 94Feb 21, 95[F25C]
5201606 Thermal storage tank and associated top structureExpiredFeb 21, 91Apr 13, 93[B65G]
5195850 Apparatus and method for transporting buoyant particulate matter such as ice to a submerged location in a fluidExpiredSep 09, 91Mar 23, 93[B65G]
5063748 Thermal storage tank system and methodExpiredJun 25, 90Nov 12, 91[F25C]
5054291 Multi-bay system for the forced air postharvest conditioning of agricultural cropsExpiredJul 25, 90Oct 08, 91[F25D]
5046551 Long term thermal energy production, storage and reclaim systemExpiredJun 25, 90Sep 10, 91[F28F]
5019300 Direct contact water-to-air heat exchanger and methodExpiredJul 25, 90May 28, 91[B01F]
4702406 Forming stable welded joints between dissimilar metalsExpiredOct 16, 86Oct 27, 87[B23K]
4681705 Decontamination of radioactively contaminated liquidsExpiredOct 15, 85Jul 21, 87[C09K, G21F, C02F]
4576785 Reduction in rate of radiation exposure to excore nuclear reactor componentsExpiredJun 14, 83Mar 18, 86[G21C]

Top Inventors for This Owner

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