Pump with drive motor

United States of America Patent

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Feb 18, 1992
Grant Date
N/A
app pub date
Nov 9, 1990
filing date
Nov 9, 1989

priority date (Note)
Expired

status (Latency Note)

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Abstract

A pump for conveying liquids and gases is formed by a drive motor having a stator (1) and a rotor (2). Helically shaped conveying grooves (3) are formed in the rotor (2) so that the rotor also serves as the shaft for the pump.

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Patent Owner(s)

Patent Owner	Address
ARTHUR PFEIFFER VAKUUMTECHNIK WETZLAR GMBH	35614 ASSLAR

International Classification(s)

F04B:POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Blecker, Armin	Asslar-Werdorf, DE	6	35
Lotz, Heinrich	Wetzlar, DE	13	140
Ochs, Helmut	Lohnberg, DE	4	20
Reuschling, Horst	Giessen-Kl.Li, DE	1	19

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Pump with drive motor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07611915

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PATENT NO	5088899
SERIAL NO	07611915
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07611915

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