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Inventor

Philip H. Sanford

Inventor
Walpole, MA, US

Overview

4→
Patents
1977–1994
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

F15Bprimary
F15BSystems acting by means of fluids in general20%
H01FMagnets20%
Y10TTechnical subjects covered by former us classification20%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors10%
G01DMeasuring not specially adapted for a specific variable10%
G01FMeasuring volume, volume flow, mass flow or liquid level10%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure10%
PatentTitleYear
5,375,694'Vibratory feeder'19945,257,639'Electropneumatic positioner'19935,159,949'Electropneumatic positioner'19924,019,363'Calibration apparatus and method'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to MASONEILAN INT INC (1)· patent assignee history
1977–1994Based in Walpole, MA, US· patent location history
1992–1993Patents assigned to DRESSER IND (2)· patent assignee history
1994Patents assigned to HYER IND (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DRESSER IND21992–1993
HYER IND11994
MASONEILAN INT INC11977
Locations
LocationPatentsSpan
Walpole, Massachusetts, US41977–1994