Inventor

James R. Melcher

Inventor

Lexington, MA, US

Overview

16→

Patents

1977–2002

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.

G01Nprimary

G01NInvestigating or analysing materials by determining their chemical or physical properties24%

G01RMeasuring electric variables24%

G01BMeasuring length, thickness or similar linear dimensions14%

B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids11%

B05DProcesses for applying fluent materials to surfaces, in general5%

C09DCoating compositions, e.g. paints, varnishes or lacquers5%

Y10TTechnical subjects covered by former us classification5%

B01DSeparation3%

B01FMixing, e.g. dissolving, emulsifying or dispersing3%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%

PatentTitleYear

6,433,542'Apparatus and method for obtaining increased sensitivity, selectivity and dynamic range in property measurement using magnetometers'2002 6,252,398'Apparatus and methods for obtaining increased sensitivity, selectivity and dynamic range in property measurement using magnetometers'2001 RE036986'Apparatus and methods for measuring permeability and conductivity in materials using multiple wavenumber magnetic interrogations'2000 5,990,677'Apparatus and methods for obtaining increased sensitivity, selectivity and dynamic range in property measurement using magnetometer'1999 5,629,621'Apparatus and methods for obtaining increased sensitivity, selectivity and dynamic range in property measurement using magnetometers'1997 5,453,689'Magnetometer having periodic winding structure and material property estimator'1995 5,015,951'Apparatus and methods for measuring permeability and conductivity in materials using multiple wavenumber magnetic interrogations'1991 4,911,947'Method for inducing color shift in metallic paints'1990 4,873,489'Method and apparatus for measurement of charge entrained in fluids'1989 4,818,627'Article of manufacture'1989 4,814,690'Apparatus and methods for measuring permittivity in materials'1989 4,174,907'Fluid mixing apparatus'1979 4,154,585'Fluidized bed particulate collectors'1979 4,146,371'Electrofluidized bed agglomerator and method of agglomerating'1979 4,038,052'Apparatus for electrical support and stabilization of static, packed, and fluidized beds'1977 4,038,049'Electrofluidized beds for collection of particulate'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–2002Patents assigned to MASSACHUSETTS INST TECHNOLOGY (16)· patent assignee history

1977–2002Based in Lexington, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MASSACHUSETTS INST TECHNOLOGY	16	1977–2002

Locations

Location	Patents	Span
Lexington, Massachusetts, US	16	1977–2002