Inventor

David Scott S. Maclennan

Inventor

Ayr, CA

Overview

1998–2017

Patent span

Electricity

Primary field (CPC H)

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

H02Pprimary

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters20%

H03KPulse technique20%

H01FMagnets15%

H05KPrinted circuits15%

G01RMeasuring electric variables5%

G05BControl or regulating systems in general5%

H01HElectric switches5%

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 systems5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

Y10TTechnical subjects covered by former us classification5%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to RELIANCE ELECTRIC IND CO (1)· patent assignee history

1998–2017Based in Ayr, CA· patent location history

2009–2017Patents assigned to ROCKWELL AUTOMATION TECH INC (8)· patent assignee history

2011–2012Based in Ontario, CA· patent location history

2012Patents assigned to MACLENNAN DAVID SCOTT S (1)· patent assignee history

2012Patents assigned to MILLER DAVID DONALD (1)· patent assignee history

2015Patents assigned to MACLENNAN DAVID SCOTT (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ROCKWELL AUTOMATION TECH INC	8	2009–2017
MACLENNAN DAVID SCOTTself	1	2015
MACLENNAN DAVID SCOTT Sself	1	2012
MILLER DAVID DONALD	1	2012
RELIANCE ELECTRIC IND CO	1	1998

Locations

Location	Patents	Span
Ayr, CA	7	1998–2017
Ontario, CA	2	2011–2012