Gillespie + Powers, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F27D DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE 322
 
  
 
B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD 221
 
  
 
B60V AIR-CUSHION VEHICLES 14
 
  
 
F23B METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL 110
 
  
 
F24H FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, IN GENERAL 126
 
  
 
F27B FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS123

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9403522 Heater system media bed float sled and method of using the sameDec 13, 13Aug 02, 16[B60V, B66F, B62B]
9360253 Metal kiln temperature control system and methodNov 23, 12Jun 07, 16[F27B, F27D]
8985472 Wireless temperature sensing and control system for metal kiln and method of using the sameMay 19, 11Mar 24, 15[F24H, F27B, F27D]
8715567 Furnace tap hole flow control and tapper system and method of using the sameSep 23, 11May 06, 14[F27D]
8651457 Heater system media bed float sled and method of using the sameJul 28, 11Feb 18, 14[B66F]
8652398 Regenerative melting furnace with easily detachable media boxJul 28, 11Feb 18, 14[F23B]
8573141 Reversible jamb blocks and method of using the sameJun 09, 11Nov 05, 13[F27D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6227847 Apparatus and process for removing volatile coatings from scrap metalExpiredAug 06, 98May 08, 01[F23J]
5186622 Apparatus and process for removing volatile coatings from scrap metalExpiredOct 18, 91Feb 16, 93[F27B]
5059116 Apparatus and process for removing volatile coatings from scrap metalExpiredSep 01, 89Oct 22, 91[F27B]
4940214 Apparatus for generating a vortex in a meltExpiredMar 16, 89Jul 10, 90[C21D]
4892046 Furnace roof and method of constructing the sameExpiredOct 30, 87Jan 09, 90[F23M]
4884786 Apparatus for generating a vortex in a meltExpiredAug 23, 88Dec 05, 89[C21C]
4578111 Furnace and process for providing a source of molten metalExpiredMay 03, 85Mar 25, 86[C22B, F27B]

Top Inventors for This Owner

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