LexDanaLexDanabeta
Inventor

Kelly Ray Packard

Inventor
Bartlesville, OK, US

Overview

2→
Patents
1998–1999
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 2 as inventor

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

E21Bprimary
E21BEarth or rock drilling33%
F04DNon-positive-displacement pumps33%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters33%
PatentTitleYear
5,909,098'Downhole pumping system with variable speed pulse-width modulated inverter coupled to electrical motor via non-gap transformer'19995,844,397'Downhole pumping system with variable speed pulse width modulated inverter coupled to electrical motor via non-gap transformer'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–1999Patents assigned to REDA PUMP (2)· patent assignee history
1998–1999Based in Bartlesville, OK, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
REDA PUMP21998–1999
Locations
LocationPatentsSpan
Bartlesville, OK, US21998–1999