The principal patents with innovative content held by Hera Group alone or jointly with other companies or research institutes are listed here.
For more information, write to Hera Group’s research and development department at e-mail

“Method for detecting the presence of leaks in a water distribution network and kit for applying the method”

• European patent, filed on 3 April 2008, published

“Method for joining steel pipes for transport of pressurized fluids”

• Italian patent, filed on 6 September 2006, registered
• European patent, filed on 22 February 2008, published
• U.S.A. patent, filed on 25 February 2008, published
• Canadian patent, filed on 29 February 2008, published

“Equipment for separate waste collection”

• Italian patent, filed on 17 July 2003, registered

“Procedure for analysis of volatile organic substances in a watery sample” (jointly with the University of Bologna)

• Italian patent, filed on 19 September 2001, registered

“Device for analysis of volatile organic substances in particular aqueous or gaseous samples” (jointly with the University of Bologna)

• Italian patent, filed on 24 June 1999, registered

“Mobile equipment for separate waste collection”

• Italian patent, filed on 2 September 1997, registered
• Spanish patent, filed on 14 January 2000, registered

Free patent search sites

Italian patents:
www.uibm.gov.it

Worldwide patents:
ep.espacenet.com

Page updated 15 March 2011