Carl F. Buhrer

Person

Farmington, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Optical polarization switch and method of using same
- Patent number 6,028,656
- Issue date Feb 22, 2000
- Cambridge Research & Instrumentation Inc.
- Carl F. Buhrer
- G02 - OPTICS
Information Patent Grant
Tunable optical filter with white state
- Patent number 5,892,612
- Issue date Apr 6, 1999
- Cambridge Research & Instrumentation Inc.
- Peter Miller
- G02 - OPTICS
Information Patent Grant
Optical switch
- Patent number 5,132,822
- Issue date Jul 21, 1992
- GTE Laboratories Incorporated
- Carl F. Buhrer
- G02 - OPTICS
Information Patent Grant
Multi-position optical fiber rotary switch
- Patent number 5,115,481
- Issue date May 19, 1992
- GTE Laboratores Incorporated
- Carl F. Buhrer
- G02 - OPTICS
Information Patent Grant
Quasi-achromatic optical isolators and circulators using prisms wit...
- Patent number 4,991,938
- Issue date Feb 12, 1991
- GTE Laboratories Incorporated
- Carl F. Buhrer
- G02 - OPTICS
Information Patent Grant
Quasi-achromatic optical isolators and circulators
- Patent number 4,988,170
- Issue date Jan 29, 1991
- GTE Laboratories Incorporated
- Carl F. Buhrer
- G02 - OPTICS
Information Patent Grant
Optical wavelength multiplexer/demultiplexer and demultiplexer/remu...
- Patent number 4,987,567
- Issue date Jan 22, 1991
- GTE Laboratories Incorporated
- Carl F. Buhrer
- G02 - OPTICS
Information Patent Grant
Optical fiber crossconnect switch
- Patent number 4,955,686
- Issue date Sep 11, 1990
- GTE Laboratories Incorporated
- Carl F. Buhrer
- G02 - OPTICS
Information Patent Grant
Optical fiber expanded beam connector
- Patent number 4,953,938
- Issue date Sep 4, 1990
- GTE Laboratories Incorporated
- Carl F. Buhrer
- G02 - OPTICS
Information Patent Grant
Achromatic tuner for birefringent optical filter
- Patent number 4,772,104
- Issue date Sep 20, 1988
- GTE Laboratories Incorporated
- Carl F. Buhrer
- G02 - OPTICS
Information Patent Grant
Multichannel wavelength multiplexer/demultiplexer
- Patent number 4,744,075
- Issue date May 10, 1988
- GTE Laboratories Incorporated
- Carl F. Buhrer
- G02 - OPTICS
Information Patent Grant
Dosing composition for high pressure sodium lamps
- Patent number 4,691,141
- Issue date Sep 1, 1987
- GTE Laboratories Incorporated
- Carl F. Buhrer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Methods of and apparatus for tuning a birefringent optical filter
- Patent number 4,678,287
- Issue date Jul 7, 1987
- GTE Laboratories Incorporated
- Carl F. Buhrer
- G02 - OPTICS
Information Patent Grant
Optical beam splitter prism
- Patent number 4,671,613
- Issue date Jun 9, 1987
- GTE Laboratories Inc.
- Carl F. Buhrer
- G02 - OPTICS
Information Patent Grant
Multiple port optical fiber switch
- Patent number 4,634,239
- Issue date Jan 6, 1987
- GTE Laboratories Incorporated
- Carl F. Buhrer
- G02 - OPTICS
Information Patent Grant
Optical polarization restoration apparatus
- Patent number 4,597,640
- Issue date Jul 1, 1986
- GTE Laboratories Incorporated
- Carl F. Buhrer
- G02 - OPTICS
Information Patent Grant
Optical fiber rotary switch
- Patent number 4,589,726
- Issue date May 20, 1986
- GTE Laboratories Incorporated
- Carl F. Buhrer
- G02 - OPTICS
Information Patent Grant
Fluorescent light source with parallel DC discharges
- Patent number 4,587,462
- Issue date May 6, 1986
- GTE Laboratories Incorporated
- Carl F. Buhrer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of charging a vessel with mercury
- Patent number 4,464,133
- Issue date Aug 7, 1984
- GTE Laboratories Incorporated
- Carl F. Buhrer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Inductive ballasting of direct current gas discharges
- Patent number 4,450,385
- Issue date May 22, 1984
- GTE Laboratories Incorporated
- Carl F. Buhrer
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Arc lamp power supply
- Patent number 4,399,392
- Issue date Aug 16, 1983
- GTE Laboratories Incorporated
- Carl F. Buhrer
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Ballast circuit for direct current arc lamp
- Patent number 4,382,210
- Issue date May 3, 1983
- GTE Laboratories Incorporated
- Carl F. Buhrer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum-tight assembly particularly for a discharge tube
- Patent number 4,366,410
- Issue date Dec 28, 1982
- GTE Laboratories Incorporated
- Carl F. Buhrer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Energy saving fluorescent lighting system
- Patent number 4,339,690
- Issue date Jul 13, 1982
- GTE Laboratories Incorporated
- Robert J. Regan
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Vacuum-tight assembly
- Patent number 4,334,628
- Issue date Jun 15, 1982
- GTE Laboratories Incorporated
- Carl F. Buhrer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Planar electrodeless fluorescent light source
- Patent number 4,245,179
- Issue date Jan 13, 1981
- GTE Laboratories Incorporated
- Carl F. Buhrer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrodeless fluorescent light source having reduced far field ele...
- Patent number 4,240,010
- Issue date Dec 16, 1980
- GTE Laboratories Incorporated
- Carl F. Buhrer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ceramic compositions and articles prepared therefrom
- Patent number 4,211,758
- Issue date Jul 8, 1980
- GTE Laboratories Incorporated
- Carl F. Buhrer
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Vacuum tight assembly
- Patent number 4,197,957
- Issue date Apr 15, 1980
- GTE Laboratories Incorporated
- Carl F. Buhrer
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Programmable divider
- Patent number 4,162,450
- Issue date Jul 24, 1979
- GTE Laboratories Incorporated
- Carl F. Buhrer
- H03 - BASIC ELECTRONIC CIRCUITRY

Carl F. Buhrer

Person

Patents Grantslast 30 patents

Optical polarization switch and method of using same

Tunable optical filter with white state

Optical switch

Multi-position optical fiber rotary switch

Quasi-achromatic optical isolators and circulators using prisms wit...

Quasi-achromatic optical isolators and circulators

Optical wavelength multiplexer/demultiplexer and demultiplexer/remu...

Optical fiber crossconnect switch

Optical fiber expanded beam connector

Achromatic tuner for birefringent optical filter

Multichannel wavelength multiplexer/demultiplexer

Dosing composition for high pressure sodium lamps

Methods of and apparatus for tuning a birefringent optical filter

Optical beam splitter prism

Multiple port optical fiber switch

Optical polarization restoration apparatus

Optical fiber rotary switch

Fluorescent light source with parallel DC discharges

Method of charging a vessel with mercury

Inductive ballasting of direct current gas discharges

Arc lamp power supply

Ballast circuit for direct current arc lamp

Vacuum-tight assembly particularly for a discharge tube

Energy saving fluorescent lighting system

Vacuum-tight assembly

Planar electrodeless fluorescent light source

Electrodeless fluorescent light source having reduced far field ele...

Ceramic compositions and articles prepared therefrom

Vacuum tight assembly

Programmable divider