LexDanaLexDanabeta
Inventor

Roy William Heath

Inventor
Midland, MI, US

Overview

5→
Patents
1996–2010
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 5 as inventor

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

B62Dprimary
B62DMotor vehicles20%
F01CRotary-piston or oscillating-piston machines or engines10%
F04BPositive-displacement machines for liquids10%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids10%
F04FPumping of fluid by direct contact of another fluid or by using inertia of fluid to be pumped10%
F15BSystems acting by means of fluids in general10%
F16HGearing10%
F16LPipes10%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
7,779,862'Reservoir assembly'20106,666,655'Hydraulic pump nozzle and method of use'20036,637,551'Check ball filter for transmissions'20036,497,557'Sliding vane pump'20025,495,711'Tuner hose assembly for power steering system'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996Patents assigned to GEN MOTORS CORP (1)· patent assignee history
1996Based in Davisburg, MI, US· patent location history
2002–2003Patents assigned to DELPHI TECH INC (3)· patent assignee history
2002–2010Based in Midland, MI, US· patent location history
2010Patents assigned to GM GLOBAL TECH OPERATIONS INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DELPHI TECH INC32002–2003
GEN MOTORS CORP11996
GM GLOBAL TECH OPERATIONS INC12010
Locations
LocationPatentsSpan
Midland, MI, US42002–2010
Davisburg, MI, US11996