Our Company Expertise Technology Investor Information Rotoblock News Contact Us
 
Name of Patent Patent # Country Issue Date Lapse Date
OSCILLATING PISTON ENGINE 5,222,463
USA Jun 29, 1993 Jun 28, 2010
OSCILLATING PISTON ENGINE
for Driving a Ducted Fan
5,303,546 USA Apr 19, 1994 Apr 18, 2011
OSCILLATING PISTON ENGINE
for an Electrical Charging System
for an Electric Powered Vehicle
5,323,737 USA Jun 28, 1994 Jun 27, 2011
OSCILLATING PISTON ENGINE
for Pumping System
5,324,176 USA Jun 28, 1994 Jun 27, 2011
OSCILLATING PISTON ENGINE
for Helicopters
5,467,744 USA Nov 21, 1995 Nov 20, 2012
ROTOBLOCK Inc. holds exclusive rights to manufacture and market all products covered by the “Rotablock” patents for a period of 18 months, with the option to extend the agreement for a further 18 months. ROTOBLOCK Inc. holds the exclusive option to purchase all intellectual property pertaining to the Rotablock technology within 18 - 36 months of the agreement.
 
 
 
 
 
 
 
 
 
     
 
Disclaimer & Privacy Statement © Copyright 2005 Rotoblock, Inc.