LexDanaLexDanabeta
Inventor

Henry V. Allen

Inventor
Fremont, CA, US

Overview

16→
Patents
1985–2009
Patent span
Physics
Primary field (CPC G)

Patents· 16 as inventor

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

G01Lprimary
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure43%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock19%
H01HElectric switches10%
B60CVehicle tyres5%
G01DMeasuring not specially adapted for a specific variable5%
G01FMeasuring volume, volume flow, mass flow or liquid level5%
G01RMeasuring electric variables5%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
7,487,681'Pressure sensor adjustment using backside mask'20097,111,518'Extremely low cost pressure sensor realized using deep reactive ion etching'20066,467,354'Anodically bonded, gas impervious cavity structures fabricated in silicon'20026,150,681'Monolithic flow sensor and pressure sensor'20006,107,170'Silicon sensor contact with platinum silicide, titanium/tungsten and gold'20006,089,099'Method for forming a bonded silicon-glass pressure sensor with strengthened corners'20005,445,006'Self-testable micro-accelerometer and method'19955,253,510'Self-testable micro-accelerometer'19935,103,667'Self-testable micro-accelerometer and method'19924,884,223'Dynamic force measurement system'19894,861,420'Method of making a semiconductor transducer'19894,737,660'Trimmable microminiature force-sensitive switch'19884,680,606'Semiconductor transducer'19874,636,714'Capacitive transducer and method'19874,588,978'Remote switch-sensing system'19864,543,457'Microminiature force-sensitive switch'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1986Patents assigned to TRANSENSORY DEVICES INC (2)· patent assignee history
1985–2009Based in Fremont, CA, US· patent location history
1987–1989Patents assigned to TACTILE PERCEPTIONS INC (2)· patent assignee history
1989Patents assigned to HYBOND INC (1)· patent assignee history
1992–1995Patents assigned to IC SENSORS INC (2)· patent assignee history
1993Based in Freemont, CA, US· patent location history
2000–2009Patents assigned to SILICON MICROSTRUCTURES INC (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SILICON MICROSTRUCTURES INC62000–2009
IC SENSORS INC21992–1995
TACTILE PERCEPTIONS INC21987–1989
TRANSENSORY DEVICES INC21985–1986
HYBOND INC11989
Locations
LocationPatentsSpan
Fremont, California, US151985–2009
Freemont, California, US11993