Inventor

Martin Hempstead

Inventor
Painted Post, NY, US

Overview

11→
Patents
2003–2021
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.

G02Bprimary
G02BOptical elements, systems or apparatus18%
G01RMeasuring electric variables9%
H01FMagnets9%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light9%
H04NPictorial communication, e.g. television9%
C03BManufacture, shaping, or supplementary processes5%
F17CVessels for containing or storing compressed, liquefied or solidified gases5%
G01MTesting static or dynamic balance of machines or structures5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2021Patents assigned to CORNING INC (7)· patent assignee history
2003–2021Based in Painted Post, NY, US· patent location history
2011–2014Patents assigned to HEMPSTEAD MARTIN HOWARD (2)· patent assignee history
2011–2014Patents assigned to SIEMENS PLC (2)· patent assignee history
2011–2014Patents assigned to TROWELL STEPHEN PAUL (2)· patent assignee history
2011–2019Based in Ducklington, GB· patent location history
2014Based in Oxon, GB· patent location history
2017–2019Patents assigned to SIEMENS HEALTHCARE LTD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CORNING INC72003–2021
HEMPSTEAD MARTIN HOWARDself22011–2014
SIEMENS HEALTHCARE LTD22017–2019
SIEMENS PLC22011–2014
TROWELL STEPHEN PAUL22011–2014
Locations
LocationPatentsSpan
Painted Post, New York, US72003–2021
Ducklington, GB32011–2019
Oxon, GB12014