LexDanaLexDanabeta
Inventor

Daniel Z. Zhou

Inventor
Fresno, CA, US

Overview

5→
Patents
2007–2013
Patent span
Human necessities
Primary field (CPC A)

Patents· 5 as inventor

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

A61Gprimary
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons56%
B60GVehicle suspension arrangements33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
8,469,383'Midwheel drive wheelchair with independent front and rear suspension'20138,210,556'Midwheel drive wheelchair with independent front and rear suspension'20128,113,531'Personal mobility vehicle having a pivoting suspension with a torque activated release mechanism'20127,896,394'Midwheel drive wheelchair with independent front and rear suspension'20117,222,881'Stop for an anti-tip wheel for a wheelchair'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2012Patents assigned to SUNRISE MEDICAL HHG INC (4)· patent assignee history
2007–2011Based in Clovis, CA, US· patent location history
2012–2013Patents assigned to GREIG MARK E (3)· patent assignee history
2012–2013Patents assigned to JACKSON MARK A (3)· patent assignee history
2012–2013Patents assigned to KILLEBREW ALLEN B (3)· patent assignee history
2012–2013Patents assigned to KOERLIN JAMES M (3)· patent assignee history
2012–2013Based in Fresno, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUNRISE MEDICAL HHG INC42007–2012
GREIG MARK E32012–2013
JACKSON MARK A32012–2013
KILLEBREW ALLEN B32012–2013
KOERLIN JAMES M32012–2013
Locations
LocationPatentsSpan
Fresno, California, US32012–2013
Clovis, California, US22007–2011