4. Chemistry: molecular biology and microbiology
  5. Micro-organism, tissue cell culture or enzyme using process...
  6. Recombinant dna technique included in method of making a...

Klaus Lehnert

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Circuit for correcting the power factor

Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter
Reexamination Certificate

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Circuit for power-factor correction

Electric lamp and discharge devices: systems – Pulsating or a.c. supply – With power factor control device
Reexamination Certificate

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Developing device for a horizontally, transported photographic l

Cleaning and liquid contact with solids – Apparatus – Sequential work treating receptacles or stations with means...
Patent

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Device for coupling the shafts of transporting units in developi

Advancing material of indeterminate length – By intermittent material-mover – Comprising material-moving roll
Patent

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Feedpipe for a refilling container

Fluent material handling – with receiver or receiver coacting mea – Multiple passage filling means for diverse materials or flows – With baffle – spreader – displacer – drip ring – filter or screen
Patent

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Profile ID: LFUS-PAI-P-87444

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