Richard L Lehman

US Patent:

6498116, Dec 24, 2002

Filed:

May 4, 2000

Appl. No.:

09/564277

Inventors:

Richard Long Lehman - South Brunswick NJ
Yuya Umezu - Edison NJ
Jie Li - Farmington CT
Daniel Ely Murnick - Bernardsville NJ
James Colaizzi - New Brunswick NJ

Assignee:

Rutgers, the State University - Piscataway NJ

International Classification:

C03C 820

US Classification:

501 14, 501 15, 501 17, 501 18, 501 32, 501 61, 501 62, 501 75, 501 76

Abstract:

Coating and filler materials for localized thermal processing of glazed ceramics and other brittle and low thermal conductivity materials. The coating materials include oxide compositions that exhibit coefficients of thermal expansion which are less than about 8Ã10 /Â C. and glass transition temperatures which are less than about 400Â C. The filler materials include particulate oxide materials which do not substantially react during localized thermal processing of glazed ceramics and other brittle and low thermal conductivity materials. The coating and filler materials are useable together as a composite material for repairing cavities having depths greater than about 2 mm.

US Patent:

6763280, Jul 13, 2004

Filed:

Dec 7, 1999

Appl. No.:

09/455644

Inventors:

Richard L. Lehman - Princeton NJ

Assignee:

GR Technology, Inc.

International Classification:

G06F 1900

US Classification:

700157, 700117, 65 2911, 651343, 651348, 651359, 501 27, 501155, 428 344

Abstract:

An automated method for recycling mixed colored cullet glass (i. e. , broken pieces of glass of mixed colors and types) into new glass products. A computer controlled process identifies the virgin glass raw materials, the desired target glass properties, the composition of a batch of mixed colored cullet, and the quantity of cullet to be used in the glass melt, and the computer controlled process automatically determines the proper amounts of raw materials to add to the batch of mixed colored cullet so that recycled glass is produced having the desired coloring oxides, redox agents, and glass structural oxides in the proper proportion. The recycled glass is then used to make glass products such as beer bottles.

US Patent:

6810301, Oct 26, 2004

Filed:

Oct 9, 2003

Appl. No.:

10/682450

Inventors:

Richard L. Lehman - Princeton NJ

Assignee:

Culchrome LLC - Charlotte NC

International Classification:

G00F 1900

US Classification:

700157, 700 90, 700117, 428 341, 501 27

Abstract:

An automated method for recycling mixed colored cullet glass (i. e. , broken pieces of glass of mixed colors and types) into new glass products. A computer controlled process identifies the virgin glass raw materials, the desired target glass properties, the composition of a batch of mixed colored cullet, and the quantity of cullet to be used in the glass melt, and the computer controlled process automatically determines the proper amounts of raw materials to add to the batch of mixed colored cullet so that recycled glass is produced having the desired coloring oxides, redox agents, and glass structural oxides in the proper proportion. The recycled glass is then used to make glass products such as beer bottles.

US Patent:

7383695, Jun 10, 2008

Filed:

Nov 12, 2004

Appl. No.:

10/988018

Inventors:

Richard L. Lehman - Princeton NJ, US
Warren Blasland, Jr. - Wellington FL, US

Assignee:

Culchrome LLC - Charlotte NC

International Classification:

C03C 6/02
C03C 4/02
C03B 5/24

US Classification:

65 2916, 65 2911, 65 2912, 65 2918, 65160, 209930, 700157

Abstract:

A method of determining the constituents and impurities in mixed-color cullet to facilitate use of mixed-color cullet in glass manufacture is provided. A glass batch formulation is adjusted based on the measured characteristics of supplied mixed-color cullet. More specifically, certain preferred aspects of the present invention include the steps of providing quantity of mixed-color cullet, collecting at least one sample of the mixed-color cullet, performing, either singularly or in combination, particle size analysis, particle color analysis, or organics analysis of the mixed-color cullet, optionally storing the analysis results, determining a glass batch formulation, providing the cullet specification and the batch formulation to a glass manufacturer, and adjusting glass batch formulation based on the cullet specification to ensure consistent glass quality.

US Patent:

7386997, Jun 17, 2008

Filed:

Nov 12, 2004

Appl. No.:

10/988019

Inventors:

Richard L. Lehman - Princeton NJ, US
Warren Blasland, Jr. - Wellington FL, US

Assignee:

Culchrome, LLC - Charlotte NC

International Classification:

C03C 6/02
C03C 4/02

US Classification:

65 28, 65 2911, 65 2916, 65 2918, 65158, 65160, 651341, 651359, 700157

Abstract:

Certain preferred embodiments of the present invention provide a system for and method of analyzing and cleaning a cullet stream prior to bottle manufacturing. In accordance with certain aspects of the present invention, the system includes a raw materials feeder, a mixing stage, a melting stage, a bottle-forming stage, a cooling/annealing stage, an inspection stage, and a batch controller. The raw materials feeder further includes a cullet bin within which is cullet supply, a feeder, an analysis device, and removal assembly. Certain preferred embodiments of the method include the steps of feeding cullet onto the conveyor, performing real-time composition analysis of the cullet, removing contaminants from the cullet, determining whether the cullet batch is consistent with a predetermined tolerance threshold, adjusting the glass batch formulation, sending the batch ingredients to the mixing stage, and then completing the overall glass manufacturing process.

US Patent:

7565816, Jul 28, 2009

Filed:

Oct 14, 2005

Appl. No.:

11/250350

Inventors:

Richard L. Lehman - Princeton NJ, US
Warren Blasland, Jr. - Wellington FL, US

Assignee:

Culchrome, LLC - Charlotte NC

International Classification:

C03C 6/02
C03B 3/02

US Classification:

65 2916, 65 2912, 65 2918, 65160, 700157

Abstract:

A system for and method of analyzing a cullet stream prior to batch formulation in glass manufacturing. Cullet is fed onto a conveyor where a real-time composition analysis is performed. Contaminants are optionally removed, and a determination is made as to whether the cullet batch color is consistent with a predetermined tolerance threshold. If necessary, the glass batch formulation is modified in view of the cullet analysis. Virgin raw materials requirements of the modified glass batch formulation may then be communicated to the batch controller before sending batch ingredients to the mixing stage and completing the overall glass manufacturing process.

US Patent:

7900475, Mar 8, 2011

Filed:

Dec 19, 2007

Appl. No.:

11/959815

Inventors:

Richard L. Lehman - Princeton NJ, US
Warren Blasland, Jr. - Wellington FL, US

Assignee:

Culchrome, LLC - Charlotte NC

International Classification:

C03B 1/00
C03C 4/02
C03C 6/02

US Classification:

65 28, 65 2911, 65 2916, 65158, 65160, 65DIG 13, 700157

Abstract:

Certain preferred embodiments of the present invention provide a system for and method of analyzing and cleaning a cullet stream prior to bottle manufacturing. In accordance with certain aspects of the present invention, the system includes a raw materials feeder, a mixing stage, a melting stage, a bottle-forming stage, a cooling/annealing stage, an inspection stage, and a batch controller. The raw materials feeder further includes a cullet bin within which is cullet supply, a feeder, an analysis device, and removal assembly. Certain preferred embodiments of the method include the steps of feeding cullet onto the conveyor, performing real-time composition analysis of the cullet, removing contaminants from the cullet, determining whether the cullet batch is consistent with a predetermined tolerance threshold, adjusting the glass batch formulation, sending the batch ingredients to the mixing stage, and then completing the overall glass manufacturing process.

US Patent:

7900476, Mar 8, 2011

Filed:

Mar 13, 2008

Appl. No.:

12/047615

Inventors:

Richard L. Lehman - Princeton NJ, US
Warren Blasland, Jr. - Wellington FL, US

Assignee:

Culchrome, LLC - Charlotte NC

International Classification:

C03C 4/02
C03C 6/02

US Classification:

65 28, 65 2911, 65 2916, 65 2918, 65158, 65160, 651341, 651359, 65DIG 13, 700157

Abstract:

A system for and method of analyzing a cullet stream prior to batch formulation in glass manufacturing. Cullet is fed onto a conveyor where a real-time composition analysis is performed. Contaminants are optionally removed, and a determination is made as to whether the cullet batch color is consistent with a predetermined tolerance threshold. If necessary, the glass batch formulation is modified in view of the cullet analysis. Virgin raw materials requirements of the modified glass batch formulation may then be communicated to the batch controller before sending batch ingredients to the mixing stage and completing the overall glass manufacturing process.