ENERSYST DEVELOPMENT CENTER, LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 11100
 
  
 
A21B BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING 514
 
  
 
F27B FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS420
 
  
 
F24C OTHER DOMESTIC STOVES OR RANGES; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION 330
 
  
 
A23L FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT 262
 
  
 
A21C MACHINES OR EQUIPMENT FOR MAKING OR PROCESSING DOUGHS; HANDLING BAKED ARTICLES MADE FROM DOUGH115
 
  
 
A21D TREATMENT, e.g. PRESERVATION, OF FLOUR OR DOUGH FOR BAKING, e.g. BY ADDITION OF MATERIALS; BAKING; BAKERY PRODUCTS; PRESERVATION THEREOF 123
 
  
 
A47B TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE 151
 
  
 
F25D REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS 145
 
  
 
G01K MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR 145

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7087872 Multi-shelved convection microwave ovenApr 19, 00Aug 08, 06[H05B]
6684657 Rethermalization / refrigeration food delivery systemMar 04, 02Feb 03, 04[A47B, F25D]
6250296 Convection oven with circulated air filtration meansMay 21, 99Jun 26, 01[F24C, A21B]
6227189 Air delivery means for convection oven or cooling apparatusMay 21, 99May 08, 01[F24C, A21B]
5958274 Jet impingement batch ovenMar 05, 97Sep 28, 99[H05B]
5818014 Air dispensers for microwave ovenJun 05, 95Oct 06, 98[H05B]
5717192 Jet impingement batch ovenJun 07, 95Feb 10, 98[H05B, A23L, F27B]
5683240 Balanced air return convection ovenJun 07, 95Nov 04, 97[F27B]
5582758 Method and apparatus for vending hot foodJul 12, 95Dec 10, 96[H05B]
5539187 Microwave oven for heating food productsMar 24, 95Jul 23, 96[H05B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6131559 Convection oven with smoke management meansExpiredMay 21, 99Oct 17, 00[F24C, A21B]
5147994 Microwave vending machineExpiredJan 10, 90Sep 15, 92[B23K]
5134263 Infrared heating controlExpiredSep 29, 88Jul 28, 92[H05B]
5078050 Hot plate carrierExpiredAug 18, 89Jan 07, 92[H05B, A21D, A21C]
4965435 Forced convection tunnel ovenExpiredMay 16, 89Oct 23, 90[F24H]
4876426 Method and apparatus for water vapor control in convection ovensExpiredSep 29, 88Oct 24, 89[H05B]
4835351 Oven humidity reservoirExpiredJun 23, 88May 30, 89[H05B]
4831238 High volume forced convection tunnel ovenExpiredMay 27, 87May 16, 89[F27B, F27D]
4750276 Impingement thermal treatment apparatus with collector plateExpiredJun 27, 86Jun 14, 88[F26B]
4679542 Fan-plenum configurationExpiredDec 31, 85Jul 14, 87[A21B]
4523391 High efficiency impingement heating and cooling apparatusExpiredSep 27, 82Jun 18, 85[F26B]
4492839 Thermal treatment apparatusExpiredAug 13, 82Jan 08, 85[H05B]
4479776 Thermal treatment of food productsExpiredJan 22, 82Oct 30, 84[F27B]
4474498 Multiple-pass impingement heating and cooling deviceExpiredJun 08, 82Oct 02, 84[A23L, F27B, F27D]
4409453 Combined microwave and impingement heating apparatusExpiredJul 22, 81Oct 11, 83[H05B]
4368664 Apparatus to transfer heat to a product and side loading door thereforExpiredNov 03, 80Jan 18, 83[A47J]
4354549 Induced circulation oven or coolerExpiredSep 14, 79Oct 19, 82[F25B]
4338911 Cooking apparatusExpiredMar 16, 79Jul 13, 82[A21B]

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