Inventor

Tim Chu

Inventor

Oakland, CA, US

Overview

1983–2010

Patent span

Mechanical engineering

Primary field (CPC F)

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

C10Gprimary

C10GCracking hydrocarbon oils18%

F16CShafts18%

B62BHand-propelled vehicles, e.g. hand carts or perambulators9%

E21BEarth or rock drilling9%

F16JPistons9%

F16MFrames, casings or beds of engines, machines or apparatus, not specific to engines, machines or apparatus provided for elsewhere9%

G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes9%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%

Y10TTechnical subjects covered by former us classification9%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to CHEVRON RES (2)· patent assignee history

1983Based in Oakland, CA, US· patent location history

2002Patents assigned to ROLLER BEARING IND INC (1)· patent assignee history

2002Based in Elizabethtown, KY, US· patent location history

2004Patents assigned to TAIWAN SEMICONDUCTOR MFG (1)· patent assignee history

2004Based in Taipei, TW· patent location history

2010Patents assigned to ATLAS COPCO SECOROC LLC (1)· patent assignee history

2010Patents assigned to SKF USA INC (1)· patent assignee history

2010Based in Novi, MI, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations