NATIONAL PRESTO INDUSTRIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
0702 COOKING APPLIANCES, UTENSILS AND CONTAINERS2325
 
  
 
A47J KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES 1634
 
  
 
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 955
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 5106
 
  
 
3100 MACHINES AND APPLIANCES FOR PREPARING FOOD OR DRINK, NOT ELSEWHERE SPECIFIED516
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 363
 
  
 
B26D CUTTING; DETAILS COMMON TO MACHINES FOR SEVERING, e.g. BY CUTTING, PERFORATING, PUNCHING, STAMPING-OUT 235
 
  
 
B65D CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES 296
 
  
 
F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING 247
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 2131

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0073,664 ENERGY EFFICIENT APPARATUS AND METHOD FOR POPPING POPCORNDec 01, 15Mar 17, 16[A23L]
2016/0044,941 ENERGY EFFICIENT APPARATUS AND METHOD FOR POPPING POPCORNOct 28, 15Feb 18, 16[A23L]
2015/0272,199 FOOD DEHYDRATORJun 12, 15Oct 01, 15[A23L, F26B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9826771 Apparatus and related methods for preparing popcornJan 16, 15Nov 28, 17[A23L]
9717365 Pump coffee brewerDec 11, 12Aug 01, 17[A47J]
9655378 Apparatus for preparing popcornApr 25, 14May 23, 17[A23L]
9635983 Countertop device having retention featureJul 30, 14May 02, 17[F16B, A47J, A47G]
D768427 Waffle bowl makerJan 16, 15Oct 11, 16[0702]
D763034 SkilletMar 17, 15Aug 09, 16[0702]
D760011 Popcorn popperJan 16, 15Jun 28, 16[3100]
D760017 Deep fryer with warming trayJan 19, 15Jun 28, 16[0702]
D755583 Kitchen utensilJul 30, 14May 10, 16[0704]
D755585 Kitchen utensilJul 30, 14May 10, 16[0702]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0326,902 FOOD DEHYDRATORAbandonedJun 08, 12Dec 12, 13[F26B]
2009/0205,511 METHODS AND APPARATUS FOR ACCELERATING COOLING OF A COUNTERTOP DEEP FRYERAbandonedFeb 18, 08Aug 20, 09[A23L, A47J, F28D]
2008/0257,169 Kitchen electrical applianceAbandonedApr 20, 07Oct 23, 08[A47J]
2007/0066,950 Disposable absorbent garment with elastic earsAbandonedSep 21, 05Mar 22, 07[A61F]
2004/0161,951 Quick-release appliance cord assemblyAbandonedFeb 09, 04Aug 19, 04[H01R]
2002/0069,764 Cooking apparatus with cycling heat elementAbandonedDec 08, 00Jun 13, 02[A23L, H05B, A47J]
6198076 Convection ovenExpiredNov 17, 99Mar 06, 01[A21B]
D360102 Microwave corn popper deviceExpiredNov 17, 93Jul 11, 95[]
D348177 Electric potato chip slicerExpiredFeb 02, 93Jun 28, 94[]
D332723 Appliance for slicing fruits and vegetablesExpiredJul 18, 90Jan 26, 93[]
5138940 Appliance for spirally slicing fruits and vegetablesExpiredSep 07, 90Aug 18, 92[A23P, A23L, A47J]
D326986 Knife sharpenerExpiredMar 02, 90Jun 16, 92[]
5089286 Appliance for spirally slicing fruits and vegetablesExpiredJul 18, 90Feb 18, 92[A23P, A23L, A47J]
5072664 Shell maker apparatusExpiredMay 10, 90Dec 17, 91[A47J]
D312684 Parabolic electric heaterExpiredOct 07, 88Dec 04, 90[]
D310205 Rechargeable battery pack for kitchen applianceExpiredOct 12, 88Aug 28, 90[]
4932550 Pressure cooker interlockExpiredAug 23, 89Jun 12, 90[B65D]
4884755 Food processorExpiredAug 30, 88Dec 05, 89[A47J]
D300400 Combined food slicer and shredderExpiredApr 25, 88Mar 28, 89[]
D296652 Can openerExpiredAug 16, 85Jul 12, 88[]

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