National Presto Industries, Inc.

United States of America


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Total IP 209
Total IP Rank # 6,283
IP Activity Score 2.8/5.0    91
IP Activity Rank # 7,649
Stock Symbol NPK (nyse)
ISIN US6372151042
Market Cap. 642M  (USD)
Industry Aerospace & Defense
Sector Industrials
Dominant Nice Class Environmental control apparatus

Patents

Trademarks

113 64
5 22
4 0
1
 
Last Patent 2025 - Waffle maker with rotation provi...
First Patent 1975 - Electric cooking appliance
Last Trademark 2025 - GRILL-IN
First Trademark 1944 - PRESTO

Industry (Nice Classification)

Latest Inventions, Goods, Services

2025 G/S Electric grills; Multi-purpose, electric countertop food preparation apparatus for cooking, bakin...
G/S Electric popcorn poppers
2024 Invention Waffle tongs. Disclosed is a waffle tong device and a method of using the waffle tong device. Th...
G/S Pizza ovens
Invention Electric pressure canner with digital control. A digital pressure canner and related methods of ...
Invention Cold brew coffee apparatus. Disclosed is a cold brew coffee maker and related methods of making ...
Invention Hot air corn popper
Invention Heater control for countertop appliance. A countertop appliance temperature controller configure...
G/S Electric heaters; portable electric resistance heaters.
Invention Waffle maker with rotation provision for even cooking
2023 Invention Flippable waffle maker
G/S Vacuum bottle stoppers specially adapted for use with wine bottles, sold as a component of electr...
G/S Plastic vacuum packaging bags and plastic film roll stock for packaging
G/S Plastic vacuum packaging containers with lids for household use
G/S Electric vacuum food sealers for household purposes
Invention Single chamber air popper. Disclosed is single chamber hot air corn popper that includes a base ...
Invention Spatula with integral press
2022 Invention Canning funnel with headspace gauge. Disclosed is a canning funnel with an integral headspace gau...
G/S Non-electric canners in the nature of pressure cookers
Invention Jar sensors for food preservation. Disclosed is a system for canning foodstuffs that provides pr...
Invention Tiltable radiant heater. Disclosed is a portable radiant heating device that has a base, a ...
Invention Tiltable radiant heater. Disclosed is a portable radiant heating device that has a base, a radia...
Invention Deep fryer
G/S Electric deep fryers
Invention Coffee maker
G/S bacon cookers for use in mircrowave ovens
2021 Invention Cold brew coffee apparatus. Disclosed is a cold brew coffee maker and related methods of making c...
Invention Electric pressure canner with digital control. A digital pressure canner and related methods of o...
Invention Combined spatula and press
Invention Heater control for countertop appliance. A countertop appliance temperature controller configured...
Invention Stuffed waffle utensil. AB STRACTA stuffed waffle utensil and related methods of use that f...
Invention Stuffed waffle utensil. A stuffed waffle utensil and related methods of use that facilitate cook...
Invention Waffle pop maker
G/S Multicookers; Electric griddles; Electric skillets
Invention Stuffed waffle tongs. Disclosed is a waffle tong device and a method of using the waffle tong dev...
Invention Apparatus and related methods for preparing popcorn. Disclosed is a heated air popcorn popper whi...
Invention Dehydrator with top mounted digital control
Invention Dehydrator with top mounted control
2020 Invention Tiltable heating device
Invention Rotisserie turkey deep fryer. A deep fryer and related methods of frying a whole turkey in a red...
G/S Electric food warmers in the nature of portable household appliances
Invention Portable jar warmer
G/S Household utensils, namely, spatulas
2019 G/S Electric waffle makers and electric waffle irons; electric coffee makers and electric coffee urns...
G/S Electric waffle makers; electric waffle irons
Invention Cold brew coffee maker base with carafe
Invention Cold brew coffee maker
Invention Coffee maker base
Invention Stuffed waffle maker
Invention Waffle tongs
Invention Egg cooker
Invention Dehydrator tray level
Invention Dehydrator tray
Invention Dehydrator
Invention Electric deep fryer
2018 G/S kitchen utensils, namely, pizza cutters, ice cream scoops, garlic presses, cooking strainers, ski...
Invention Griddle
G/S Electric coffee machines
Invention Pressure cooker
Invention Appliance heat controller
G/S Nonstick coating for cookware and portable electric appliances
2017 G/S Electric cooking appliances, namely, [electric pressure cookers,] electric skillets, electric gri...
G/S Power-operated machines for food and beverage production, namely, electric canning machines
G/S Electric Griddles
G/S electric space heater
G/S Canning kits comprised of canning funnels, kitchen tongs, jar lifters, jar wrenches, lid lifters ...
G/S Air fryers, electric fryers, electric deep fryers, cooking ovens, electric cooking ovens
Invention Slow cooker tray
G/S Electric slow cookers
2016 G/S Single-serve coffee, tea, and cocoa mechanical brewing machines for domestic and commercial use
2015 G/S Replacement parts for non-electric pressure cookers in the nature of non-metal sealing rings, non...
G/S electric waffle maker
2013 G/S hot air popcorn poppers
2012 G/S Domestic cooking ovens. Pizza makers, namely pizza ovens.
G/S Aluminum pressure cookers; skillets, sauce pans, dutch ovens; roasters, griddles, kettles, and br...
2011 G/S Electric [ griddles and ] skillets
G/S Cook books
2009 G/S Electric knife sharpeners
2006 G/S Coffee holders for use in electric coffee makers
2004 G/S pressure indicator, sold as an integral component of non-electric pressure cookers
G/S ELECTRIC COOKING APPARATUS, NAMELY, ELECTRIC GRIDDLES
2003 G/S ELECTRIC KNIFE SHARPENER FOR HOUSEHOLD USE
2001 G/S Portable electric parabolic heaters and portable electric heater fans.
1999 G/S DOMESTIC COOKING OVENS
1996 G/S Cookware, namely a microwave bacon cooker.
G/S Electric household appliances for the preparation and service of food; electronic potato chip sli...
1995 G/S Electrically operated kitchen appliances for the processing or preparation of food namely, electr...
G/S Electric heaters. Portable electric resistance heaters.
G/S electrically operated kitchen appliances for the processing or preparation of food, namely electr...