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RDP (NZ) LIMITED
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Auckland, NZ
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Patents Grants
last 30 patents
Information
Patent Grant
Pallet
Patent number
D915724
Issue date
Apr 6, 2021
RDP (NZ) LIMITED
Thomas David Allen
D34 - Material or article handling equipment
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
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
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 for treatment of sewage sludge
Patent number
5,618,442
Issue date
Apr 8, 1997
RDP Company
Paul G. Christy
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Apparatus for treatment of sewage sludge
Patent number
5,554,279
Issue date
Sep 10, 1996
RDP Company
Paul G. Christy
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Apparatus for pathogen reduction in waste
Patent number
5,433,844
Issue date
Jul 18, 1995
RDP Company
Paul G. Christy
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Process and apparatus for pathogen reduction in waste
Patent number
5,405,536
Issue date
Apr 11, 1995
RDP Company
Paul G. 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
Apparatus for pathogen reduction in waste
Patent number
5,346,616
Issue date
Sep 13, 1994
RDP Company
Robert W. Christy
C05 - FERTILISERS MANUFACTURE THEREOF
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
Information
Patent Grant
Process and apparatus for pathogen reduction in waste
Patent number
5,013,458
Issue date
May 7, 1991
RDP Company
Robert W. Christy
C05 - FERTILISERS MANUFACTURE THEREOF
Patents Applications
last 30 patents
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
Trademark
last 30 trademarks