GENEVA, Sept. 1 -- GIEN, Bernard Lionel (13 Smith Street, Germiston1411 Johannesburg) filed a patent application (PCT/IB2025/051956) for "A DRILL HAMMER" on Feb 24, 2025. With publication no. WO/2025/177253, 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 Smith Street, Germiston1411 Johannesburg)
Abstract:
The invention relates to a pneumatic drill hammer (100). A back-head (104) is secured to a wear sleeve (102). A check valve chamber (112) is provided between the back-head (104) and a chamber...