Patents

====
*October 2023: Patent approval - Ajay Chandak has received Patent #458401 from the government of India for Composite Structure for Heat Storage. This innovation will be used for heat storage in solar cookers, enabling indoor cooking in the comfort of kitchen and allowing cooking even after sunset. 
*November 2011: The World Intellectual Property Organization commissioned an extensive report on the state of solar cooking, prepared by Scope e-Knowledge Center Private Limited based in India. Released in August 2011, the Patent Landscape Report on Solar Cooking validates the viability of solar cooking, a technology well-suited for a growing portion of the world's population. It also provides a number of examples of various designs that have applied for patents.
==Solar cooking patents (USA)==
*Charlest G. Abbot: Solar Heater (Patent #2247830)
*John I. Andersen, Michael J. Andersen: Method and Apparatus for Generating Thermal Energy (Patent #4979494)
*Stella Andrassy: Apparatus for solar cooking (Patent #3938497)
*Milton M. Baker: Solar Oven and Cooker (Patent #681095--Aug 27 1900!!)
*Edward & Helen Borges, Melvin Best, Paul Janowski: Solar Oven (Patent #5139010)
*Rodney Bradford, Lott W. Brantley: Inflatable, Reflective Solar Oven (Patent #D310657)
*Thomas J. & Cynthia L. Burns: Solar Oven (Patent #4848320)
*William Calver: Solar Stove (Patent #412725--Dec 31 1888!)
*Ajay Chandak: Patent #458401 (India), Composite Structure for Heat Storage
*Harry A. Cherrier: Solar Cooker (Patent #1158175--Feb 15 1915!)
*William B. Chiles: Solar Cooker (Patent #4281644)
*John D. Clark: Solar powered/multiple fuel cooking device (Patent #5524610)
*Walter E. Clark: Solar oven having a multiple zone concentrator (Patent #6606988)
*Merton & Mildred Clevett: Solar Oven (Patent #4446854)
*Merton & Mildred Clevett: Solar Stove (Patent #4130106)
*Merton L. Clevett: Solar Stove (Patent #3896786)
*Byron J. Cowart: Solar Device for Cooking or Sterilizing and Method or Use Thereof (Patent #5676128)
*Deall Daymon: Solar Cooker (Patent #3038463)
*Deall Daymon: Solar Cooking Device and Reflector (Patent #3053248)
*Deall Daymon: Collabsible Truncated Conical Reflector (Patent #3151206)
*Robert A. Dery: Solar Oven (Patent #3391688)
*John A. Duffie & Daniel C. Dunham: Solar Cooker (Patent #D181713)
*Frank E. Edlin: Reflector for Solar Heaters (Patent #3058394)
*Edgar English Jr.: Solar Energy Conversion Apparatus (Patent #4376372)
*Samuel F. Erwin: Solar Oven With Orienting Apparatus (Patent #5617843)
*Samuel F. Erwin: Demountable Solar Oven (Patent #4378790)
*Samuel F. Erwin: Solar Oven-Ornamental, Collabsible (Patent #D268980)
*Samuel F. Erwin: Solar Oven (Patent #4125109)
*John Raymond Essig Jr., James Michael Essig: Solar Cooker with Globe Shape (Patent #D510498)
*Carlos A. Esteverena: Solar Grill (Patent #5924415)
*Lawrence Fischer: Solar Cooker (Patent #4083357)
*Scot G Frank: Solar concentrator assembly and methods of using same (Patent #9291365)
*Ranen N. Ghatak: Solar Oven (Patent #4850339)
*John C. Golder: Solar Oven (Patent #4292957)
*Daniel S. Halacy: Solar Oven (Patent #D259694)
*Leopold A. Hein, William N. Myers: Apparatus for Concentrating Solar Energy (Patent #4139286)
*Ally O. Hing: Reflective Top Cover for a Solar Oven (Patent #D331350)
*Edward Ho: Apparatus and Method for Collecting Light (Patent #6895145)
*Thomas Hoffmann: Solar oven positioning (#9,644,864)
*Thomas Hoffmann: Solar oven positioning (#10,247,447)
*Daniel F. Ilich: Solar Cooker (Patent #4262660)
*Jitsuo Inagaki, Sinji Sawata: Solar Cooker Assembly (Patent #4913130)
*Donald L. Jackson: Foldable Solar Cooker (Patent #D245884)
*Bojan Jerman: Portable Solar Oven (Patent #D278504)
*Barbara P. Kerr: Through The Wall Solar Cooker (Patent #4655196)
*Barbara P. Kerr: Solar Cooker and Method of Assembly (Patent #4236508)
*Mikio Kinoshita: Solar Radiation Concentrator and Method of Concentrating Solar Radiation (Patent #6820611)
*Thomas Kramer, Volkmar Gillich, Roman Fuchs: Reflector (weather and corrosive resistant aluminum) (Patent #7182475)
*Bert Lane: Portable Solar Oven (Patent #D380931)
*Bert Lane: Portable Solar Oven (Patent #5195504)
*Willin C. Lee: Solar Portable Stove and Pressure Cooker (Patent #2994318)
*George O.G. Loef: Solar Cooker (Patent #2909171)
*John B. Long & Robert R. Ware: Solar Cooker (Patent #4561425)
*Robert A. Luly: Collabsible Parabolic Reflector (Patent #4608571)
*Robert A. Luly: Folding Dish Reflector (Patent #4683475)
*Robert A. Luly: Lightweight Folding Parabolic Reflector and Antenna System (Patent #4527166)
*Alvin M. Marks: Solar Collector Transmitter and Heater (Patent #4841946)
*Patricia J. Marut, Philip R. Brunette: Portable Concave Reflector Assembly (Patent #6863065)
*Albert F. Naccach: Portable Solar Cooker (Patent #D256656)
*Martin E. Nix: Portable solar heating device and heating process utilizig solar energy (Patent #5113845)
*O'Malley O. Stoumen, Jonathan A. Stoumen: Inflatable Solar Oven (Patent #5893360)
*Robert M. Phillips: Solar-Energy-Concentrating Device (Patent #3613659)
*John L. Roche/3M: Weatherable Solar Reflector (Patent #4301750)
*John Rodgers: Portable Solar Oven and Grill (Patent #4082079)
*John Rodgers: Solar Cooking Oven (Patent #D387238)
*David M. Schwartz: Solar fermentation and distillation process (Patent #4455374)
*Richard A. Steenblick, Dar-Veig Ho: Fresnel Spiral Reflector and Method for Making Same (Patent #4350412)
*Hyman A. Steinberg: Solar Oven (Patent #4284071)
*Hyman A. Steinberg: Solar Oven (Patent #3025851)
*Hyman A. Steinberg: Auxiliary Heating Means for Solar Oven (Patent #3236227)
*Hyman A. Steinberg: Solar Oven with Plastic Casing and Hinges (Patent #3156234)
*Hyman A. Steinberg: Cover Construction for Heating Compartment of Solar Oven (Patent #3174476)
*Hyman A.Steinberg: Solar Oven Construction (Patent #3106201)
*Bernd Stoy, Pohlmann Erich: Heating and/or Cooking Device Using Solar Energy (Patent #4662354)
*Hirosato Takeuchi, Toshio Mikiya: Portable type solar heat cooker assembly (Patent #4442828)
*Adnan Tarcici: Solar Cooker with a Parabolic Reflector (Patent #5090399)
*Frank Tralongo: Solar Powered Cooker (Patent #D373924)
*J. Arnold Varney, Frederick M. Varney: High Efficiency Solar Heater (Patent #4637376)
*Sergiy Vasylyev: Non-imaging system for radiant energy flux transformation (Patent #US20020139414A1)
*Donald W. Videtto: Solar hot dog cooker (Patent #5054467)
*Lee V. Way, Jr.: Portable Solar Cooker/Non-solar Cooker (Patent #4203427)
*Lee V. Way, Jr.: Portable solar cooker and the solar panel used therein (Patent #4077391)
*Lee V. Way, Jr.: Portable Solar Oven (Patent #4220141)
*Robert W. Young: Solar Rotisserie Hot Dog Cooker (Patent #D470708)
*Leo Zayauskas: Radiant heat collector/oven (Patent #4535753)
*David M. Zwach: Solar Cooker (Patent #4696285)
==Solar non-cooking patents (USA)== 
*Martin Nix: Half parabolic dish reflector with planar reflector solar smelter (Patent #, 20100078012)
*Vladan Petrovic: Long-Term Heat Storage Device and Method for Long-Term Heat Storage of Solar Energy and Other Types of Energy with Changing Availability (Patent # US20150159959A1)
Category:Patents