Inventor

Robert Z. Whipple, Jr.

Inventor

Louden, TN, US

Overview

1988–2008

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 25 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F24Cprimary

F24CDomestic stoves or ranges37%

H05BElectric heating34%

A23GCocoa7%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications7%

A47BTables2%

B01FMixing, e.g. dissolving, emulsifying or dispersing2%

B65BMachines, apparatus or devices for, or methods of, packaging articles or materials2%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application2%

G05DSystems for controlling or regulating non-electric variables2%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%

PatentTitleYear

7,411,160'Airflow system for a convection oven'2008 7,081,601'Voltage selection mode for a cooking appliance'2006 7,015,443'Sheathed electric heating element support bracket for RF cooking applications'2006 6,943,322'Pressure exhaust system for a convection cooking appliance'2005 6,900,424'Microwave delivery system for a cooking appliance'2005 6,872,919'Multi-stage catalyst for a cooking appliance'2005 6,872,926'Rapid cook oven with dual flow fan assembly'2005 6,841,760'Multiple current supply control system for a cooking appliance'2005 6,781,102'Microwave feed system for a cooking appliance having a toroidal-shaped waveguide'2004 6,730,881'Cooking appliance having accelerated cooking system'2004 6,723,970'Ventilation system for a cooking appliance'2004 6,723,961'Self-cleaning system for convection cooking appliance'2004 6,680,467'Microwave delivery system with multiple magnetrons for a cooking appliance'2004 6,667,466'Microwave delivery system for a cooking appliance'2003 6,657,171'Toroidal waveguide for a microwave cooking appliance'2003 6,649,890'Microwave cooking appliance incorporating electric heating element'2003 6,573,479'Radial byproduct trap and filter assembly for a cooking appliance'2003 6,472,640'Preheat system for convection cooking appliance'2002 6,417,493'Self-cleaning method for a cooking appliance'2002 6,225,604'Blower assembly for self-cleaning convection oven'2001 5,433,084'Aerator for viscous materials'1995 5,419,150'Freezer with inner core'1995 5,410,888'Dispenser for soft-serve frozen dessert machine'1995 5,076,525'Anti-tip apparatus for appliances'1991 4,788,415'Dual bimetal power control switching arrangement for electronically controlled appliances'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1991Patents assigned to GEN ELECTRIC (2)· patent assignee history

1988–1995Based in Prospect, KY, US· patent location history

1995Patents assigned to FOOD SYSTEMS PARTNERSHIP LTD (3)· patent assignee history

2001–2006Patents assigned to MAYTAG CORP (19)· patent assignee history

2001–2005Based in Loudon, TN, US· patent location history

2002–2008Based in Louden, TN, US· patent location history

2008Patents assigned to WHIRLPOOL CO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MAYTAG CORP	19	2001–2006
FOOD SYSTEMS PARTNERSHIP LTD	3	1995
GEN ELECTRIC	2	1988–1991
WHIRLPOOL CO	1	2008

Locations

Location	Patents	Span
Louden, TN, US	16	2002–2008
Prospect, KY, US	5	1988–1995
Loudon, TN, US	4	2001–2005