Inventor
SMITH DONALD P
US40 patents
⚠️ This page may combine multiple inventors who share the name “SMITH DONALD P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SMITH DONALD P
17 patentsUS4409453AOct 11, 1983
Combined microwave and impingement heating apparatus
SMITH DONALD P182 citations99
US4154861AMay 15, 1979
Heat treatment of food products
SMITH DONALD P279 citations99
US4965435AOct 23, 1990
Forced convection tunnel oven
SMITH DONALD P98 citations96
US4876426AOct 24, 1989
Method and apparatus for water vapor control in convection ovens
SMITH DONALD P66 citations96
US4835351AMay 30, 1989
Oven humidity reservoir
SMITH DONALD P73 citations96
US4679542AJul 14, 1987
Fan-plenum configuration
SMITH DONALD P63 citations96
US4523391AJun 18, 1985
High efficiency impingement heating and cooling apparatus
SMITH DONALD P67 citations96
US4492839AJan 8, 1985
Thermal treatment apparatus
SMITH DONALD P98 citations96
US4479776AOct 30, 1984
Thermal treatment of food products
SMITH DONALD P119 citations96
US4474498AOct 2, 1984
Multiple-pass impingement heating and cooling device
SMITH DONALD P70 citations96
US4338911AJul 13, 1982
Cooking apparatus
SMITH DONALD P134 citations96
US4289792ASep 15, 1981
Microwave treatment of food products
SMITH DONALD P72 citations96
US4354549AOct 19, 1982
Induced circulation oven or cooler
SMITH DONALD P40 citations93
US5134263AJul 28, 1992
Infrared heating control
SMITH DONALD P82 citations92
US4831238AMay 16, 1989
High volume forced convection tunnel oven
SMITH DONALD P53 citations92
US4368664AJan 18, 1983
Apparatus to transfer heat to a product and side loading door therefor
SMITH DONALD P24 citations82
USD893321SAug 18, 2020
Welder's gauge
SMITH DONALD P4 citations73
PATENTSMITH II INC
7 patentsUS5401940AMar 28, 1995
Oscillating air dispensers for microwave oven
PATENTSMITH II INC115 citations98
US5205274AApr 27, 1993
Turntable convection oven
PATENTSMITH II INC152 citations98
US5404808AApr 11, 1995
Carrier for hot food
PATENTSMITH II INC48 citations96
US5161889ANov 10, 1992
Heat transfer rate target module
PATENTSMITH II INC70 citations96
US5131841AJul 21, 1992
Balanced air return convection oven
PATENTSMITH II INC89 citations96
US5078050AJan 7, 1992
Hot plate carrier
PATENTSMITH II INC60 citations96
US5398666AMar 21, 1995
Turntable convection heater
PATENTSMITH II INC58 citations95
PATENTSMITH CORP
7 patentsUS5539187AJul 23, 1996
Microwave oven for heating food products
PATENTSMITH CORP39 citations96
US5510601AApr 23, 1996
Convection heat transfer apparatus
PATENTSMITH CORP41 citations96
US5423248AJun 13, 1995
Air circulator for impingement heat transfer apparatus
PATENTSMITH CORP74 citations96
US5310978AMay 10, 1994
Method and apparatus for controlling the temperature and surface texture of a food product
PATENTSMITH CORP45 citations96
US5210387AMay 11, 1993
Food handling system
PATENTSMITH CORP77 citations96
US5147994ASep 15, 1992
Microwave vending machine
PATENTSMITH CORP72 citations96
US5365918ANov 22, 1994
Oven with short radius door
PATENTSMITH CORP46 citations92
PATENTSMITH TECH LTD
4 patentsUS5683240ANov 4, 1997
Balanced air return convection oven
PATENTSMITH TECH LTD38 citations96
US5582758ADec 10, 1996
Method and apparatus for vending hot food
PATENTSMITH TECH LTD43 citations96
US5818014AOct 6, 1998
Air dispensers for microwave oven
PATENTSMITH TECH LTD66 citations95
US5449888ASep 12, 1995
Microwave vending machine
PATENTSMITH TECH LTD38 citations92