Jarmo Uolevi Leppanen

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Germiston, ZA

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Patents Grantslast 30 patents

Information Patent Grant
Accumulator charging system
- Patent number 5,875,857
- Issue date Mar 2, 1999
- Jarmo Uolevi Leppanen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Rock drill percussion mechanism
- Patent number 5,794,717
- Issue date Aug 18, 1998
- Roger Robarts Briggs
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Control system for percussion drill
- Patent number 5,771,981
- Issue date Jun 30, 1998
- Roger Robarts Briggs
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rock drill
- Patent number 5,771,982
- Issue date Jun 30, 1998
- Roger Robarts Briggs
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Drilling arrangement and drilling feed mechanism
- Patent number 5,678,642
- Issue date Oct 21, 1997
- Roger Robarts Briggs
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
PUMPING SYSTEM
- Publication number 20150118072
- Publication date Apr 30, 2015
- Jarmo Uolevi Leppanen
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...