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Ambler, PA, US
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Patents Grants
last 30 patents
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
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
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
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
Method and apparatus for treating lime slurry for grit removal
Patent number
8,163,175
Issue date
Apr 24, 2012
RDP Technologies, Inc.
Paul G. Christy
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method and apparatus for treating lime slurry for grit removal
Patent number
8,133,401
Issue date
Mar 13, 2012
RDP Company
Paul G. Christy
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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
Method and apparatus for treating lime slurry for grit removal
Patent number
7,416,673
Issue date
Aug 26, 2008
RDP Company
Paul G. Christy
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Patents Applications
last 30 patents
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
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
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
Method and Apparatus for Treating Lime Slurry for Grit Removal
Publication number
20080185324
Publication date
Aug 7, 2008
RDP Company
Paul G. Christy
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
Information
Patent Application
Method and apparatus for treating lime slurry for grit removal
Publication number
20060231507
Publication date
Oct 19, 2006
Paul G. Christy
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method and Apparatus for Treating Lime Slurry for Grit Removal
Publication number
20060231511
Publication date
Oct 19, 2006
Paul G. Christy
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL