US4516486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooking apparatus and method
Assignee: Individual
•
Filing: 1983-06-20
•
Granted: 1985-05-14
•
Expires: 2003-06-20
Abstract
Abstract An apparatus and method for charbroiling of food articles employs a source of radiant energy focused at a region of a surface of the food article that is small relative to the area of the surface and producing at that region an intense heat flux. The region is moved along the surface of the food article so as to char at least portions of the surface without overcooking the interior of the food article.
Inventors
- 👤 William H. Burkhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:13
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/0623; A47J37/0629; A47J37/0635; A47J37/067; A47J37/0676
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
189 words
Apparatus for cooking meat or the like, comprising a cooking chamber having means for supporting the meat or the like therein, a source of radiant energy including a lamp and means for focusing energy from said lamp on a region of a surface of said meat or the like that is small relative to the area of said surface and for producing at that region an intense heat flux, said lamp having a filament capable of producing of the order of hundreds of watts per inch of filament length from a 120 volt AC supply, said lamp being located outside of said cooking chamber and said cooking chamber having a wall that is transmissive to said radiant energy and through which said radiant energy is transmitted to said region, means for moving said source relative to said cooking chamber along said surface so as to move said region and so as to char at least portions of said surface so quickly that the interior of said meat or the like does not cook beyond a desired state, and means for the disposal of smoke generated in said cooking chamber.
Claim 2
Dependent Claim
189 words
Apparatus for cooking meat or the like, comprising a cooking chamber having means for supporting the meat or the like therein, a source of radiant energy including a lamp and means for focusing energy from said lamp on a region of a surface of said meat or the like that is small relative to the area of said surface and for producing at that region an intense heat flux, said lamp having a filament capable of producing of the order of hundreds of watts per inch of filament length from a 120 volt AC supply, said lamp being located outside of said cooking chamber and said cooking chamber having a wall that is transmissive to said radiant energy and through which said radiant energy is transmitted to said region, means for moving said source relative to said cooking chamber along said surface so as to move said region and so as to char at least portions of said surface so quickly that the interior of said meat or the like does not cook beyond a desired state, and means for the disposal of smoke generated in said cooking chamber.
Claim 3
Dependent Claim
13 words
Apparatus in accordance with claim 1, wherein said focusing means comprises a reflector.
Claim 4
Dependent Claim
34 words
Apparatus in accordance with claim 2, wherein said reflector is elliptical, said lamp is located at an internal focus of said reflector, and said energy is focused at an external focus of said reflector.
Claim 5
Dependent Claim
11 words
Apparatus in accordance with claim 3, wherein said region is elongated.
Claim 6
Dependent Claim
19 words
Apparatus in accordance with claim 4, wherein said region is about 4" to 6" long and about 3/16" wide.
Claim 7
Dependent Claim
42 words
Apparatus in accordance with claim 1, wherein said wall is a bottom wall of said chamber, said meat or the like is supported on said wall, and said energy is focused upon an upper surface of said wall from beneath the wall.
Claim 8
Dependent Claim
13 words
Apparatus in accordance with claim 1, wherein the cooking chamber comprises machine-washable parts.
Claim 9
Dependent Claim
14 words
Apparatus in accordance with claim 1, wherein said moving means moves said region continuously.
Claim 10
Dependent Claim
23 words
Apparatus in accordance with claim 8, wherein said moving means moves said region at a rate of the order of inches per minute.
Claim 11
Dependent Claim
14 words
Apparatus in accordance with claim 1, wherein said moving means moves said region intermittently.
Claim 12
Dependent Claim
47 words
Apparatus in accordance with claim 10, wherein said moving means holds said region substantially motionless for a period of seconds, then moves said region for a substantially shorter period, and then holds said region substantially motionless again, thereby charring a series of separate portions of said surface.
Claim 13
Dependent Claim
15 words
Apparatus in accordance with claim 1, wherein said smoke disposal means comprises a catalytic converter.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-05-13 | 1988-11-12 | 1989-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-05-13 | 1992-11-12 | 1993-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-05-13 | 1996-11-12 | 1997-05-14 | $7700.00 | Window Closed / Lapsed |