Inventor

Calman Gold

Inventor
Londonderry, NH, US

Overview

16→
Patents
1985–2017
Patent span
Electricity
Primary field (CPC H)

Patents· 16 as inventor

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

H02Mprimary
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems16%
H01FMagnets9%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution9%
G01RMeasuring electric variables6%
H02HEmergency protective circuit arrangements6%
H02KDynamo-electric machines6%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters6%
H05KPrinted circuits6%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h106%
F25DRefrigerators3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to MC GRAW EDISON CO (1)· patent assignee history
1985–1986Based in Post Mills, VT, US· patent location history
1986Patents assigned to NEW ENGLAND DIGITAL CORP (1)· patent assignee history
1997–2004Patents assigned to AMERICAN SUPERCONDUCTOR CORP (12)· patent assignee history
1997–2004Based in Londonderry, NH, US· patent location history
2001Patents assigned to AMERICAN SUPERCONDUCTING CORP (1)· patent assignee history
2001Based in Londonberry, NH, US· patent location history
2017Patents assigned to CREARE LLC (1)· patent assignee history
2017Based in Hanover, NH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AMERICAN SUPERCONDUCTOR CORP121997–2004
AMERICAN SUPERCONDUCTING CORP12001
CREARE LLC12017
MC GRAW EDISON CO11985
NEW ENGLAND DIGITAL CORP11986
Locations
LocationPatentsSpan
Londonderry, NH, US121997–2004
Post Mills, VT, US21985–1986
Hanover, NH, US12017
Londonberry, NH, US12001