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Inventor

Franklin H. Sinclair

Inventor
Oradell, NJ, US

Overview

7→
Patents
1985–2013
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 7 as inventor

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

F16Kprimary
F16KValves38%
Y10TTechnical subjects covered by former us classification38%
E03FSewers13%
G01FMeasuring volume, volume flow, mass flow or liquid level13%
PatentTitleYear
8,447,533'Method of wastewater flow measurement, system analysis, and improvement'20137,721,600'Flow measurement apparatus and method'20106,820,647'Valve position monitor'2004D0300148'Keycard with indexing channels'1989D0295920'Keycard'19884,494,566'Indicator assembly'19854,494,565'Indicator assembly'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2004Patents assigned to WESTLOCK CONTROLS CORP (3)· patent assignee history
1985–1989Based in Oradell, NJ, US· patent location history
1988–1989Patents assigned to OSOFSKY HOWARD A (2)· patent assignee history
1989Patents assigned to SINCLAIR FRANKLIN H (1)· patent assignee history
2004–2013Based in New Orleans, LA, US· patent location history
2010–2013Patents assigned to EASTECH FLOW CONTROLS INC (2)· patent assignee history
2013Patents assigned to SINCLAIR FRANKLIN (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WESTLOCK CONTROLS CORP31985–2004
EASTECH FLOW CONTROLS INC22010–2013
OSOFSKY HOWARD A21988–1989
SINCLAIR FRANKLINself12013
SINCLAIR FRANKLIN Hself11989
Locations
LocationPatentsSpan
Oradell, New Jersey, US41985–1989
New Orleans, LA, US32004–2013