Patents

Patent Country Name Status Application Number Application Date Patent Number Grant Date
Jacked Bridge Deck Switzerland/Liech (EPC) Granted 06253588.5 07/07/2006 1743978 25/09/2013
Jacked Bridge Deck Germany (EPC) Granted 06253588.5 07/07/2006 602006038554.4 25/09/2013
Jacked Bridge Deck Denmark (EPC) Granted 06253588.5 07/07/2006 1743978 25/09/2013
Jacked Bridge Deck France (EPC) Granted 06253588.5 07/07/2006 1743978 25/09/2013
Jacked Bridge Deck Great Britain (EPC) Granted 06253588.5 07/07/2006 1743978 25/09/2013
Jacked Bridge Deck Italy (EPC) Granted 06253588.5 07/07/2006 1743978 25/09/2013
Jacked Bridge Deck Netherlands (EPC) Granted 06253588.5 07/07/2006 1743978 25/09/2013
Jacked Bridge Deck Poland (EPC) Granted 06253588.5 07/07/2006 1743978 25/09/2013
Jacked Bridge Deck United States Granted 11/482224 07/07/2006 8347441  
Apparatus/method for forming excavations China Pending 201180056623.5 28/11/2011 103270222  
Apparatus/method for forming excavations Europe Pending 11811362.0 -1604 28/11/2011 2643528  
Apparatus/method for forming excavations Hong Kong Pending 13113909.8 28/11/2011 1186503A  
Apparatus/method for forming excavations United States Applied For 13/988757 28/11/2011    
Method/apparatus for forming Tunnels and Tunnels formed thereby PCT Pending PCT/GB2014/050183 24/01/2014 2014/114941  
Arched support structure Canada Granted 2304533 07/10/1998 2304533  
Arched support structure Switzerland (EPC) Granted 98946576.0 07/10/1998 1021640  
Arched support structure Germany (EPC) Granted 98946576.0 07/10/1998 69804834.2  
Arched support structure France (EPC) Granted 98946576.0 07/10/1998 1021640  
Arched support structure Great Britain (EPC) Granted 98946576.0 07/10/1998 1021640  
Arched support structure Hong Kong Granted 105632.3 07/09/2000 1026467  
Arched support structure Japan Granted 2000-516137 07/10/1998 4317322  
Arched support structure United States Granted 09/529086 07/10/1998 6406220 18/06/2002