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Inventor

Dennis Willis

Inventor
Oak Ridge, NC, US

Overview

5→
Patents
1994–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 5 as inventor

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

E04Hprimary
E04HBuildings or like structures for particular purposes20%
C02FTreatment of water, waste water, sewage, or sludge15%
H01FMagnets15%
H02JElectric power networks15%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution15%
Y10TTechnical subjects covered by former us classification15%
F16KValves5%
PatentTitleYear
10,985,612Power supplies for pool and spa equipment202110,381,872Power supplies for pool and spa equipment20199,502,907'Power supplies for pool and spa equipment'20167,677,268'Fluid distribution system for a swimming pool cleaning apparatus'2010D0348591'Combined cutting board with detachable knife cleaner/sharpener'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Based in Watsonville, CA, US· patent location history
2010–2021Patents assigned to HAYWARD IND INC (4)· patent assignee history
2010–2021Based in Oak Ridge, NC, US· patent location history
2016Patents assigned to FORSYTHE PATRICK J (1)· patent assignee history
2016Patents assigned to NORMYLE WILLIAM M (1)· patent assignee history
2016Patents assigned to PHILHOWER DOUGLAS H (1)· patent assignee history
2016Patents assigned to POTUCEK KEVIN L (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HAYWARD IND INC42010–2021
FORSYTHE PATRICK J12016
NORMYLE WILLIAM M12016
PHILHOWER DOUGLAS H12016
POTUCEK KEVIN L12016
Locations
LocationPatentsSpan
Oak Ridge, NC, US42010–2021
Watsonville, California, US11994