Kaveh Towfighi

Combustion-engined tool

Portable internal combustion-engined tool and method of forming a gas mixture in the tool combustion chamber

Pneumatically driven setting tool

Internal combustion-engined tool and method of driving a piston of the same

Propellant gas for tools operated by combustion power

Portable, internal combustion-engined tool and method of driving its piston

Fuel for internal combustion-powered tools

Combustion-engined tool having a braking device for its piston

Pneumatic fastener driver uses common chamber, equipped with check valves, as compressed air storage or expansion spaces

Drive mechanism for piston comprises partition plate with passage through it, combustion chamber with gas-inlet, and vents