GENEVA, Sept. 1 -- GIEN, Bernard Lionel (13 Smits Street, Germiston1411 Johannesburg) filed a patent application (PCT/IB2025/051959) for "A DRILL HAMMER" on Feb 24, 2025. With publication no. WO/2025/177255, the details related to the patent application was published on Aug 28, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
Inventor(s): GIEN, Bernard Lionel (13 Smits Street, Germiston1411 Johannesburg)
Abstract:
The invention relates to a pneumatic drill hammer (100). An air delivery tube (112) cooperates with an axial bore (B) in a reciprocating piston (106). A check valve (110) is provided in an en...