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L. Keith Rogerson
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Isle of Palms, SC, US
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Patents Grants
last 30 patents
Information
Patent Grant
Self leveling dry dock lift
Patent number
8,887,653
Issue date
Nov 18, 2014
L. Keith Rogerson
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Adaptable inserts for jet ski ramp
Patent number
7,552,495
Issue date
Jun 30, 2009
L. Keith Rogerson
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Dock floatation system
Patent number
7,128,015
Issue date
Oct 31, 2006
L. Keith Rogerson
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Shackle pocket buoy
Patent number
6,955,574
Issue date
Oct 18, 2005
L. Keith Rogerson
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Vessel transition hull
Patent number
6,837,176
Issue date
Jan 4, 2005
L. Keith Rogerson
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Polymeric coated metallic members for a utility pole
Patent number
5,942,731
Issue date
Aug 24, 1999
L. Keith Rogerson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for internally and externally coating enclosed...
Patent number
5,728,423
Issue date
Mar 17, 1998
L. Keith Rogerson
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Rotational molding apparatus having fluid cooled arms
Patent number
5,718,929
Issue date
Feb 17, 1998
L. Keith Rogerson
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for bonding thermoplastic resins to other materials using si...
Patent number
5,641,439
Issue date
Jun 24, 1997
L. Keith Rogerson
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method and apparatus for rotational application of polymers
Patent number
5,358,682
Issue date
Oct 25, 1994
L. Keith Rogerson
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Polymeric structure secured to dissimilar components
Patent number
5,316,810
Issue date
May 31, 1994
L. Keith Rogerson
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Self Leveling Dry Dock Lift
Publication number
20140069310
Publication date
Mar 13, 2014
L. Keith Rogerson
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Application
SHACKLE POCKET BUOY
Publication number
20050170718
Publication date
Aug 4, 2005
L. Keith Rogerson
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Application
Method for bonding thermoplastic materials to other materials using...
Publication number
20050151299
Publication date
Jul 14, 2005
L. Keith Rogerson
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Dock stabilizer
Publication number
20040159273
Publication date
Aug 19, 2004
L. Keith Rogerson
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Application
Polymer coated components and method of coating same
Publication number
20040055695
Publication date
Mar 25, 2004
L. Keith Rogerson
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL