LexDanaLexDanabeta
Inventor

Kenneth Cheng-Hoe Nai

Inventor
Bristol, GB

Overview

11→
Patents
2002–2015
Patent span
Physics
Primary field (CPC G)

Patents· 11 as inventor

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

G01Bprimary
G01BMeasuring length, thickness or similar linear dimensions56%
G05BControl or regulating systems in general22%
H02KDynamo-electric machines11%
G01CMeasuring distances, levels or bearings6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
8,978,261'Probe head for scanning the surface of a workpiece'20158,939,008'Calibration artefact for calibrating an articulating probe head'20158,006,398'Method for scanning the surface of a workpiece'20118,001,859'Method of error compensation in a coordinate measuring machine'20117,568,373'Method of error compensation in a coordinate measuring machine'20097,456,538'Reaction balanced rotary drive mechanism'20087,286,949'Method of error correction'20076,868,356'Method of and apparatus for correction of coordinate measurement errors due to vibrations in coordinate measuring machines (cmms)'20056,633,143'Reactionless rotary drive mechanism'20036,568,242'System for reducing effects of acceleration induced deflections on measurement made by a machine using a probe'20036,412,329'Method of and apparatus for reducing vibrations on probes carried by coordinate measuring machines'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2015Patents assigned to RENISHAW PLC (11)· patent assignee history
2002–2008Based in Edinburgh, GB· patent location history
2007–2015Based in Bristol, GB· patent location history
2015Patents assigned to WESTON NICHOLAS JOHN (2)· patent assignee history
2015Patents assigned to MCFARLAND GEOFF (1)· patent assignee history
2015Patents assigned to MCFARLAND GEOFFREY (1)· patent assignee history
2015Patents assigned to MCLEAN IAN WILLIAM (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RENISHAW PLC112002–2015
WESTON NICHOLAS JOHN22015
MCFARLAND GEOFF12015
MCFARLAND GEOFFREY12015
MCLEAN IAN WILLIAM12015
Locations
LocationPatentsSpan
Bristol, GB62007–2015
Edinburgh, GB52002–2008