Inventor

David A. Luce

Inventor

Clarence Center, NY, US

Overview

53→

Patents

1976–2020

Patent span

Human necessities

Primary field (CPC A)

Patents· 53 as inventor

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

A61Bprimary

A61BDiagnosis42%

G10HElectrophonic musical instruments30%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%

G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure3%

G01MTesting static or dynamic balance of machines or structures3%

A61FFilters implantable into blood vessels1%

G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light1%

H01CResistors1%

H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner1%

H03HImpedance networks, e.g. resonant circuits1%

PatentTitleYear

10,806,342Determination of continuous dynamic corneal viscoelastic bending moduli2020 9,320,430'Ophthalmic diagnostic instrument and method'2016 9,289,124'Tonometer calibration tool'2016 8,800,347'Tonometer calibration tool'2014 8,613,704'Subsystems and methods for non-contact corneal deformation'2013 7,909,765'Method and apparatus for determining true intraocular pressure'2011 7,798,962'Method and apparatus for measuring corneal resistance'2010 7,771,353'Method and apparatus for tear film measurement'2010 7,481,767'Method and apparatus for determining true intraocular pressure'2009 7,004,902'Method and apparatus for measuring biomechanical characteristics of corneal tissue'2006 6,875,175'Duel mode non-contact tonometer'2005 6,817,981'Method for eliminating error in tonometric measurements'2004 6,726,625'Non-contact tonometer having improved air pump'2004 6,679,842'Tonometer calibration tool'2004 6,623,429'Hand-held non-contact tonometer'2003 6,616,609'Method for optimizing piston diameter in a non-contact tonometer, and non-contact tonometer having fluid pump designed by said method'2003 6,419,631'Non-contact tonometry method'2002 6,159,148'Non-contact tonometer having non-linear pressure ramp'2000 6,042,232'Automatic optometer evaluation method using data over a wide range of focusing positions'2000 5,984,476'Ophthalmic instrument having self-calibrating optical system'1999 5,954,645'Applanation detection system for a non-contact tonometer'1999 5,825,457'Keratometric illumination system'1998 5,779,633'Tonometer air pulse generator'1998 5,754,273'Non-contact tonometer having off-axis fluid pulse system'1998 5,587,748'Joystick override control for an ophthalmic instrument'1996 D0369112'Lensmeter'1996 5,471,260'Joystick for an ophthalmic instrument where vertical movement is controlled by rotating the joystick'1995 5,446,274'Instructive display for assisting in centering an optical path element on a path'1995 5,381,196'Contrast sensitivity tester'1995 5,301,004'Method and apparatus for determining the optical properties of a lens'1994 4,881,807'Optical alignment system'1989 4,503,745'Musical instrument'1985 4,463,647'Musical instrument'1984 4,365,533'Musical instrument'1982 4,352,311'Synthesizer preset editing techniques'1982 4,334,195'Voltage controlled attenuator'1982 4,291,604'Memory override system for programmed electronic synthesizer'1981 4,228,717'Electronic musical instrument capable of generating a chorus sound'1980 4,145,943'Electronic musical instrument capable of generating a string chorus sound'1979 4,099,439'Electronic musical instrument with dynamically responsive keyboard'1978 4,090,426'Contour generator for audio signal'1978 4,046,049'Foot control apparatus for electronic musical instrument'1977 4,028,979'Multiplexer for electronic musical instrument'1977 4,027,569'Keyboard for an electronic musical instrument employing variable capacitors'1977 3,997,863'Helically wound pitch-determining element for electronic musical instrument'1976 3,991,645'Electronic musical instrument with exponential keyboard and voltage controlled oscillator'1976 3,981,218'Preset system for electronic musical instrument'1976 3,974,461'Wide dynamic range voltage controlled filter for electronic musical instruments'1976 3,969,969'Musical instrument with means for scanning keys'1976 3,969,968'Musical instrument with means for scanning keys'1976 3,968,717'Musical instrument with means for scanning keys'1976 3,968,716'Musical instrument with means for scanning keys'1976 3,943,456'Signal generator for electronic musical instrument, employing variable rate integrator'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1979Patents assigned to NORLIN MUSIC INC (9)· patent assignee history

1976–1985Patents assigned to CLARK JR MELVILLE (7)· patent assignee history

1976–2020Based in Clarence Center, NY, US· patent location history

1976–1982Based in Natick, MA, US· patent location history

1994–1998Patents assigned to LEICA INC (9)· patent assignee history

1999–2002Patents assigned to LEICA MICROSYSTEMS INC (5)· patent assignee history

2003–2020Patents assigned to REICHERT INC (16)· patent assignee history

2006Based in Clarence, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
REICHERT INC	16	2003–2020
LEICA INC	9	1994–1998
NORLIN MUSIC INC	9	1976–1979
CLARK JR MELVILLE	7	1976–1985
LEICA MICROSYSTEMS INC	5	1999–2002

Locations

Location	Patents	Span
Clarence Center, New York, US	47	1976–2020
Natick, Massachusetts, US	5	1976–1982
Clarence, New York, US	1	2006