Inventor

Rodney M. Welch

Inventor

Eau Claire, MI, US

Overview

1990–2020

Patent span

Human necessities

Primary field (CPC A)

Patents· 107 as inventor

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

A47Lprimary

A47LDomestic washing or cleaning67%

Y10TTechnical subjects covered by former us classification5%

F04DNon-positive-displacement pumps4%

B08BCleaning in general3%

D06FLaundering, drying, ironing, pressing or folding textile articles3%

B01DSeparation3%

B29CShaping or joining of plastics1%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts1%

C23CCoating metallic material1%

F24HFluid heaters, e.g. water or air heaters, having heat-generating means, e.g. heat pumps, in general1%

PatentTitleYear

10,820,780Dishwasher2020 10,813,525Ultra micron filter for a dishwasher2020 10,816,266Low pressure laundry treating appliance2020 10,799,084Dishwasher drain assemblies having overmolded volutes2020 10,779,703Rotating drum filter for a dishwashing machine2020 10,750,924Dishwasher with tube wash system2020 10,704,189Laundry appliance having an ultrasonic drying mechanism2020 10,694,919Dish treating appliance with diverter valve position sensing2020 10,667,668Dishwasher with rotationally mounted sprayer2020 10,653,291Ultra micron filter for a dishwasher2020 10,449,552Home appliance having a filter2019 10,314,457Filter with artificial boundary for a dishwashing machine2019 10,213,085Dishwasher for treating dishes2019 10,178,939Filter with artificial boundary for a dishwashing machine2019 10,172,506Dishwasher with movable liquid conduit2019 10,076,226Rotating filter for a dishwasher2018 10,070,769Rotating filter for a dishwashing machine2018 10,064,537Dishwasher drain assemblies having overmolded volutes2018 10,058,227Filter assembly for a dishwasher2018 10,010,235Dish treating appliance with diverter valve position sensing2018 10,004,379Dishwasher with transforming door2018 9,993,131Filter assembly for a dishwasher2018 9,931,015Hydraulically-driven dishwasher diverters2018 9,918,609'Rotating drum filter for a dishwashing machine'2018 9,861,251'Filter with artificial boundary for a dishwashing machine'2018 9,839,342'Angled dishwasher sumps'2017 9,833,120Heating air for drying dishes in a dishwasher using an in-line wash liquid heater2017 9,713,413'Dishwasher for treating dishes'2017 9,713,414'Dishwasher having a conduit framework'2017 9,700,196'Dishwasher with filter assembly'2017 9,687,135'Automatic dishwasher with pump assembly'2017 9,668,636'Method and apparatus for dishwasher with common heating element for multiple treating chambers'2017 9,587,856'Methods, apparatus and articles of manufactures to detect impurity deposits in flow-through water heaters'2017 9,572,473'Dishwasher with unitary wash module'2017 9,538,898'Dishwasher with filter assembly'2017 9,532,696'Dishwasher with unitary wash module'2017 9,532,697'Dishwasher with unitary wash module'2017 9,532,700'Dishwasher with overflow conduit'2017 9,451,862'Dishwasher with unitary wash module'2016 9,402,526'Dishwasher with spray system'2016 9,386,904'Dishwasher with movable liquid conduit'2016 9,375,129'Rotating filter for a dishwashing machine'2016 9,364,131'Rotating filter for a dishwashing machine'2016 9,307,885'Rotating filter assembly for a dishwasher'2016 9,297,553'Pump assembly'2016 9,271,628'Lid operating mechanism for a drawer-type dishwasher'2016 9,265,401'Rotating filter for a dishwashing machine'2016 9,237,836'Rotating filter for a dishwasher'2016 9,211,047'Rotating filter for a dishwashing machine'2015 9,173,542'Dishwasher with offset open face'2015 9,167,950'Dishwasher with filter assembly'2015 9,119,515'Dishwasher with unitary wash module'2015 9,113,766'Method and apparatus for dishwasher with common heating element for multiple treating chambers'2015 9,107,559'Dishwasher with filter assembly'2015 9,034,112'Dishwasher with shared heater'2015 9,010,344'Rotating filter for a dishwashing machine'2015 9,005,369'Filter assembly for a dishwasher'2015 8,925,561'Dishwasher dispensing system with timed delay'2015 D0720509'Disc sprayer for a dishwasher'2014 8,746,261'Rotating drum filter for a dishwashing machine'2014 8,734,595'Rapid heat system for a multi-tub dishwasher'2014 8,733,376'Dishwasher with filter assembly'2014 8,667,974'Rotating filter for a dishwashing machine'2014 8,627,832'Rotating filter for a dishwashing machine'2014 8,616,375'Packets for treating chemistry'2013 8,551,255'Rapid heat system for a multi-tub dishwasher'2013 8,409,362'System and method for low temperature hydration of food soils'2013 8,215,322'Dishwasher with soil removal'2012 8,176,614'Drawer-type dishwasher having modular support body'2012 8,066,821'System for limiting pressure in a fine filter chamber for a dishwasher'2011 8,038,805'Multi-piece dishrack for a drawer dishwasher'2011 8,034,276'Pump housing for a domestic appliance'2011 7,988,789'System and method for low temperature hydration of food soils'2011 7,959,742'Outer support body for a drawer-type dishwasher'2011 7,954,913'Molded plastic support frame for a drawer-type dishwasher'2011 7,870,863'Multi-use sump for a drawer-type dishwaher'2011 7,862,665'Pump system for a drawer-type dishwasher'2011 7,832,417'Dispenser for a drawer-type dishwasher'2010 7,794,549'Drip shield for a drawer-type dishwasher'2010 7,775,223'Flexible utility link for a drawer-type dishwasher'2010 7,731,804'Lid operating mechanism for a drawer-type dishwasher'2010 7,678,202'Drip shield for a drawer-type dishwasher'2010 7,624,745'Drawer-type dishwasher having modular support body'2009 7,610,923'Pump and filter system for a drawer-type dishwasher'2009 7,607,444'Latching and sealing mechanism for a drawer-type dishwasher'2009 7,472,714'Dishwasher drain pump assembly'2009 7,467,636'Dishwasher pump and filtration system'2008 7,409,962'Dishwasher pump with integrated inlet/outlet portion'2008 7,410,228'Height adjuster mechanism for a dishwasher dish rack'2008 7,404,864'Method of operating a dishwasher pump and filtration system'2008 7,198,054'Dishwasher having a side-by-side rack system'2007 7,032,604'Three rack dishwasher'2006 6,755,490'Dishwasher with adjustable rack'2004 6,719,383'Retractable appliance control'2004 6,716,383'Method of forming an appliance washing tub having non-metallic reinforcing body and metallic inner liner'2004 6,491,049'Lid construction for drawer dishwasher'2002 6,460,555'Dual dishwasher construction'2002 6,435,366'Appliance washing tub having non-metallic reinforcing body and metallic inner liner'2002 6,260,565'Double dishwasher'2001 5,918,749'Dishwasher rack accessory'1999 5,730,301'Wheel mounting method and apparatus for dishwasher rack'1998 5,697,392'Apparatus for spraying washing fluid'1997 5,605,236'Dishwasher rack'1997 5,464,482'Washarm assembly for dishwasher'1995 5,378,124'Method and means for assembling a pump and motor'1995 5,345,957'Dishwasher filter arrangement'1994 4,974,750'Detergent-additive dispenser'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2011Patents assigned to MAYTAG CORP (28)· patent assignee history

1990–1998Based in Newton, IA, US· patent location history

1999–2013Based in Jackson, TN, US· patent location history

2008–2020Patents assigned to WHIRLPOOL CO (79)· patent assignee history

2009–2012Based in Beach Bluff, TN, US· patent location history

2010–2016Based in Beech Bluff, TN, US· patent location history

2011–2018Patents assigned to WELCH RODNEY M (28)· patent assignee history

2013–2020Based in Eau Claire, MI, US· patent location history

2014–2016Patents assigned to TULLER BARRY E (8)· patent assignee history

2014–2018Patents assigned to FOUNTAIN JORDAN R (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
WHIRLPOOL CO	79	2008–2020
MAYTAG CORP	28	1990–2011
WELCH RODNEY Mself	28	2011–2018
TULLER BARRY E	8	2014–2016
FOUNTAIN JORDAN R	6	2014–2018

Locations

Location	Patents	Span
Eau Claire, MI, US	64	2013–2020
Jackson, TN, US	22	1999–2013
Beach Bluff, TN, US	8	2009–2012
Newton, IA, US	7	1990–1998
Beech Bluff, TN, US	6	2010–2016