Inventor
John W. Cantrell
Inventor
Leawood, KS, US
Overview
Patents· 24 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A47Lprimary
A47LDomestic washing or cleaning45%
B08BCleaning in general16%
F04DNon-positive-displacement pumps9%
Y10TTechnical subjects covered by former us classification9%
A23BPreservation of foods, foodstuffs or non-alcoholic beverages7%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for7%
A23NMachines or apparatus for treating harvested fruit, vegetables or flower bulbs in bulk, not otherwise provided for2%
E03CDomestic plumbing installations for fresh water or waste water2%
F15DFluid dynamics, i.e. methods or means for influencing the flow of gases or liquids2%
PatentTitleYear
11,102,997Defrost apparatus and method thereof202110,835,097Fluid flow structure and method of use for continuous motion washing machine202010,820,776Fluid flow structure and method of use for continuous motion washing machine202010,582,718Defrost apparatus and method thereof202010,426,314Fluid pump volute diversion system, solids collection system and related methods for a washing machine201910,213,087Pot and pan washing machine201910,117,560Condition warning system, control system and method for pot and pan washing machine201810,028,636Fluid flow structure and method of use for continuous motion washing machine20189,826,881Silverware, flatware or parts washer apparatus and method thereof20179,723,864'Defrost apparatus and method thereof'20179,427,131'Fluid pump volute diversion system, solids collection system and related methods for a washing machine'20169,259,135'Condition warning system, control system and method for pot and pan washing machine'20169,027,575'Fluid screen for pot and pan washing machine'20159,022,047'Rotisserie skewer, basket and parts cleaning assembly'20158,882,929'Silverware/flatware or parts washer apparatus and method thereof'20148,721,802'Condition warning system, control system and method for pot and pan washing machine'20148,685,170'Produce washer and method for continuous motion washing machine'20147,523,757'Pot and pan washing machine, components, and methods of washing items'20097,246,624'Pot and pan washing machine, components, and methods of washing items'20077,162,788'Pot and pan washing machine'20076,976,496'Method of washing utensils'20056,739,348'Pot and pan washing machine'20046,609,259'Drain assembly and sink'20034,773,436'Pot and pan washing machines'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988Based in Overland Park, KS, US· patent location history
2003–2009Patents assigned to METCRAFT INC (6)· patent assignee history
2003–2020Based in Leawood, KS, US· patent location history
2014–2021Patents assigned to UNIFIED BRANDS INC (17)· patent assignee history
2014–2018Patents assigned to CHURCHILL MARK (7)· patent assignee history
2014–2018Patents assigned to CANTRELL JOHN W (5)· patent assignee history
2014–2018Patents assigned to LICATA MICHAEL P (4)· patent assignee history
2016–2020Based in San Antonio, TX, US· patent location history
2021Based in Prairie Village, KS, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIFIED BRANDS INC | 17 | 2014–2021 |
| CHURCHILL MARK | 7 | 2014–2018 |
| METCRAFT INC | 6 | 2003–2009 |
| CANTRELL JOHN Wself | 5 | 2014–2018 |
| LICATA MICHAEL P | 4 | 2014–2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Leawood, KS, US | 14 | 2003–2020 |
| San Antonio, Texas, US | 8 | 2016–2020 |
| Prairie Village, KS, US | 1 | 2021 |
| Overland Park, KS, US | 1 | 1988 |