Richard W. Christy

Person

Wayne, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Process for treating sewage sludge
- Patent number 12,006,241
- Issue date Jun 11, 2024
- RDP Technologies, Inc.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Fluidized bed pellet reactor water softener and process for softeni...
- Patent number 11,897,800
- Issue date Feb 13, 2024
- RDP Technologies, Inc.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for treating sewage sludge
- Patent number 11,339,071
- Issue date May 24, 2022
- RDP Technologies, Inc.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process and apparatus for treating water with hydrated lime slurry...
- Patent number 11,339,066
- Issue date May 24, 2022
- RDP Technologies, Inc.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Fine grit classifier
- Patent number 11,319,247
- Issue date May 3, 2022
- RDP Technologies, Inc.
- Richard W. Christy
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method and apparatus for filtration of lime-treated water
- Patent number 11,286,173
- Issue date Mar 29, 2022
- RDP Technologies, Inc.
- Richard W. Christy
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Fluidized bed pellet reactor water softener and process for softeni...
- Patent number 11,225,426
- Issue date Jan 18, 2022
- RDP Technologies, Inc.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process and apparatus for treating water with hydrated lime slurry...
- Patent number 10,906,822
- Issue date Feb 2, 2021
- RDP Technologies, Inc.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Aerobic thermal chemical hydrolysis process
- Patent number 10,538,446
- Issue date Jan 21, 2020
- RDP Technologies, Inc.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Sludge handling system with rotating discharge device
- Patent number 10,479,623
- Issue date Nov 19, 2019
- RDP Technologies, Inc.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
RDPreheating water jackets
- Patent number 10,112,852
- Issue date Oct 30, 2018
- RDP Technologies, Inc.
- Richard W. Christy
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process and apparatus for slaking lime and dissolving scale
- Patent number 9,856,166
- Issue date Jan 2, 2018
- RDP Technologies, Inc.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
System and method for lime stabilization of liquid sludge
- Patent number 9,745,217
- Issue date Aug 29, 2017
- RDP Technologies, Inc.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method and apparatus for filtration of lime-treated water
- Patent number 9,688,547
- Issue date Jun 27, 2017
- RPD Technologies, Inc.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process and apparatus for slaking lime and dissolving scale
- Patent number 9,650,293
- Issue date May 16, 2017
- RDP Technologies, Inc.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method and apparatus for dissolving sodium carbonate in water
- Patent number 9,315,399
- Issue date Apr 19, 2016
- RDP Technologies, Inc.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process and apparatus for treating water with hydrated lime slurry...
- Patent number 9,174,861
- Issue date Nov 3, 2015
- RDP Technologies, Inc.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Precision lime stabilization system and method for treatment of sew...
- Patent number 9,169,147
- Issue date Oct 27, 2015
- RDP Technologies, Inc.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process and apparatus for slaking lime and dissolving scale
- Patent number 9,023,312
- Issue date May 5, 2015
- RDP Technologies, Inc.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Sewage silo with centripetal action discharge arm
- Patent number 8,939,329
- Issue date Jan 27, 2015
- RDP Technologies, Inc.
- Richard W. Christy
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Apparatus and method for inventory management and automated dischar...
- Patent number 8,682,477
- Issue date Mar 25, 2014
- RDP Technologies, Inc.
- Richard W. Christy
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sludge handling system with rotating discharge device for dischargi...
- Patent number 8,662,354
- Issue date Mar 4, 2014
- RDP Technologies, Inc.
- Richard W. Christy
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Apparatus and method for inventory management and automated dischar...
- Patent number 8,504,190
- Issue date Aug 6, 2013
- RDP Technologies, Inc.
- Richard W. Christy
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Apparatus, method and system for treating sewage sludge
- Patent number 8,065,815
- Issue date Nov 29, 2011
- RDP Technologies, Inc.
- Richard W Christy
- F26 - DRYING
Information Patent Grant
Apparatus, method and system for treating sewage sludge
- Patent number 7,669,348
- Issue date Mar 2, 2010
- RDP Company
- Richard W. Christy
- F26 - DRYING
Information Patent Grant
Process and apparatus for liquid sludge stabilization
- Patent number 5,851,404
- Issue date Dec 22, 1998
- RDP Company
- Richard W. Christy
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Process and apparatus for liquid sludge stabilization
- Patent number 5,783,073
- Issue date Jul 21, 1998
- RDP Company
- Richard W. Christy
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Process and apparatus for liquid sludge stabilization
- Patent number 5,681,481
- Issue date Oct 28, 1997
- RDP Company
- Richard W. Christy
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Process and apparatus for treating sewage sludge
- Patent number 5,401,402
- Issue date Mar 28, 1995
- RDP Company
- Paul G. Christy
- F26 - DRYING
Information Patent Grant
Process for treating sewage sludge
- Patent number 5,186,840
- Issue date Feb 16, 1993
- RDP Company
- Paul G. Christy
- F26 - DRYING

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR TREATING SEWAGE SLUDGE
- Publication number 20220348488
- Publication date Nov 3, 2022
- RDP Technologies, Inc.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
PROCESS FOR TREATING SLUDGE
- Publication number 20220135460
- Publication date May 5, 2022
- RDP Technologies, Inc.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
FLUIDIZED BED PELLET REACTOR WATER SOFTENER AND PROCESS FOR SOFTENI...
- Publication number 20220106211
- Publication date Apr 7, 2022
- RDP Technologies, Inc.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
PROCESS AND APPARATUS FOR TREATING WATER WITH HYDRATED LIME SLURRY...
- Publication number 20210163351
- Publication date Jun 3, 2021
- RDP Technologies, Inc.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
FINE GRIT CLASSIFIER
- Publication number 20210114927
- Publication date Apr 22, 2021
- Richard W. Christy
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FLUIDIZED BED PELLET REACTOR WATER SOFTENER AND PROCESS FOR SOFTENI...
- Publication number 20200290909
- Publication date Sep 17, 2020
- RDP Technologies, Inc.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
SLUDGE HANDLING SYSTEM WITH ROTATING DISCHARGE DEVICE
- Publication number 20190308828
- Publication date Oct 10, 2019
- RDP Technologies, Inc.
- Richard W. Christy
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR TREATING SEWAGE SLUDGE
- Publication number 20190256394
- Publication date Aug 22, 2019
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
PROCESS FOR TREATING SEWAGE SLUDGE
- Publication number 20180118599
- Publication date May 3, 2018
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Method and Apparatus for Filtration of Lime-Treated Water
- Publication number 20170253495
- Publication date Sep 7, 2017
- RDP Technologies, Inc.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Process and Apparatus for Slaking Lime and Dissolving Scale
- Publication number 20170240441
- Publication date Aug 24, 2017
- RDP Technologies, Inc.
- Richard W. Christy
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
PROCESS AND APPARATUS FOR TREATING WATER WITH HYDRATED LIME SLURRY...
- Publication number 20150368127
- Publication date Dec 24, 2015
- RDP Technologies, Inc.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Process and Apparatus for Slaking Lime and Dissolving Scale
- Publication number 20150266775
- Publication date Sep 24, 2015
- RDP Technologies, Inc.
- Richard W. Christy
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
PROCESS AND APPARATUS FOR SLAKING LIME AND DISSOLVING SCALE
- Publication number 20150203386
- Publication date Jul 23, 2015
- RDP Technologies, Inc.
- Richard W. Christy
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Precision Lime Stabilization Sytem and Method for Treatment of Sewa...
- Publication number 20140175026
- Publication date Jun 26, 2014
- RDP TECHNOLOGIES, INC.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
System and Method for lime Stabilization of Liquid Sludge
- Publication number 20140034582
- Publication date Feb 6, 2014
- RDP TECHNOLOGIES, INC.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Apparatus and Method for Inventory Management and Automated Dischar...
- Publication number 20130294882
- Publication date Nov 7, 2013
- RDP TECHNOLOGIES, INC.
- Richard W. Christy
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and Apparatus for Mixing Powder Material With Water
- Publication number 20130258799
- Publication date Oct 3, 2013
- RDP TECHNOLOGIES, INC.
- Richard W. Christy
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method and Apparatus for Dissolving Sodium Carbonate in Water
- Publication number 20130256238
- Publication date Oct 3, 2013
- RDP TECHNOLOGIES, INC.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Lime Slaking Process
- Publication number 20130129605
- Publication date May 23, 2013
- RDP TECHNOLOGIES, INC.
- Richard W. Christy
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Process and Apparatus for Slaking Lime and Dissolving Scale
- Publication number 20120328510
- Publication date Dec 27, 2012
- RDP TECHNOLOGIES, INC.
- Richard W. Christy
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Method and Apparatus for Filtration of Lime-Treated Water
- Publication number 20120325754
- Publication date Dec 27, 2012
- RDP TECHNOLOGIES, INC.
- Richard W. Christy
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Sewage Silo With Centripetal Action Discharge Arm
- Publication number 20120308349
- Publication date Dec 6, 2012
- RDP TECHNOLOGIES, INC.
- Richard W. Christy
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Apparatus and Method for Inventory Management and Automated Dischar...
- Publication number 20120209420
- Publication date Aug 16, 2012
- RDP TECHNOLOGIES, INC.
- Richard W. Christy
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information Patent Application
Sludge Handling System with Rotating Discharge Device for Dischargi...
- Publication number 20120207569
- Publication date Aug 16, 2012
- RDP TECHNOLOGIES, INC.
- Richard W. Christy
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Apparatus and Method for Discharge of Treated Sewage Sludge from Bins
- Publication number 20120205319
- Publication date Aug 16, 2012
- RDP TECHNOLOGIES, INC.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Process and Apparatus for Treating Water With Hydrated Lime Slurry...
- Publication number 20120061328
- Publication date Mar 15, 2012
- RDP TECHNOLOGIES, INC.
- Richard W. Christy
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Apparatus, Method and System for Treating Sewage Sludge
- Publication number 20080083675
- Publication date Apr 10, 2008
- Richard W. Christy
- F26 - DRYING
Information Patent Application
Apparatus, Method and System for Treating Sewage Sludge
- Publication number 20080083133
- Publication date Apr 10, 2008
- Richard W. Christy
- F26 - DRYING

Richard W. Christy

Person

Patents Grantslast 30 patents

Process for treating sewage sludge

Fluidized bed pellet reactor water softener and process for softeni...

Process for treating sewage sludge

Process and apparatus for treating water with hydrated lime slurry...

Fine grit classifier

Method and apparatus for filtration of lime-treated water

Fluidized bed pellet reactor water softener and process for softeni...

Process and apparatus for treating water with hydrated lime slurry...

Aerobic thermal chemical hydrolysis process

Sludge handling system with rotating discharge device

RDPreheating water jackets

Process and apparatus for slaking lime and dissolving scale

System and method for lime stabilization of liquid sludge

Method and apparatus for filtration of lime-treated water

Process and apparatus for slaking lime and dissolving scale

Method and apparatus for dissolving sodium carbonate in water

Process and apparatus for treating water with hydrated lime slurry...

Precision lime stabilization system and method for treatment of sew...

Process and apparatus for slaking lime and dissolving scale

Sewage silo with centripetal action discharge arm

Apparatus and method for inventory management and automated dischar...

Sludge handling system with rotating discharge device for dischargi...

Apparatus and method for inventory management and automated dischar...

Apparatus, method and system for treating sewage sludge

Apparatus, method and system for treating sewage sludge

Process and apparatus for liquid sludge stabilization

Process and apparatus for liquid sludge stabilization

Process and apparatus for liquid sludge stabilization

Process and apparatus for treating sewage sludge

Process for treating sewage sludge

Patents Applicationslast 30 patents

PROCESS FOR TREATING SEWAGE SLUDGE

PROCESS FOR TREATING SLUDGE

FLUIDIZED BED PELLET REACTOR WATER SOFTENER AND PROCESS FOR SOFTENI...

PROCESS AND APPARATUS FOR TREATING WATER WITH HYDRATED LIME SLURRY...

FINE GRIT CLASSIFIER

FLUIDIZED BED PELLET REACTOR WATER SOFTENER AND PROCESS FOR SOFTENI...

SLUDGE HANDLING SYSTEM WITH ROTATING DISCHARGE DEVICE

PROCESS FOR TREATING SEWAGE SLUDGE

PROCESS FOR TREATING SEWAGE SLUDGE

Method and Apparatus for Filtration of Lime-Treated Water

Process and Apparatus for Slaking Lime and Dissolving Scale

PROCESS AND APPARATUS FOR TREATING WATER WITH HYDRATED LIME SLURRY...

Process and Apparatus for Slaking Lime and Dissolving Scale

PROCESS AND APPARATUS FOR SLAKING LIME AND DISSOLVING SCALE

Precision Lime Stabilization Sytem and Method for Treatment of Sewa...

System and Method for lime Stabilization of Liquid Sludge

Apparatus and Method for Inventory Management and Automated Dischar...

Method and Apparatus for Mixing Powder Material With Water

Method and Apparatus for Dissolving Sodium Carbonate in Water

Lime Slaking Process

Process and Apparatus for Slaking Lime and Dissolving Scale

Method and Apparatus for Filtration of Lime-Treated Water

Sewage Silo With Centripetal Action Discharge Arm

Apparatus and Method for Inventory Management and Automated Dischar...

Sludge Handling System with Rotating Discharge Device for Dischargi...

Apparatus and Method for Discharge of Treated Sewage Sludge from Bins

Process and Apparatus for Treating Water With Hydrated Lime Slurry...

Apparatus, Method and System for Treating Sewage Sludge

Apparatus, Method and System for Treating Sewage Sludge