Inventor

Albert Rappen

Inventor

Mulheim, DE

Overview

8→

Patents

1988–1999

Patent span

Performing operations

Primary field (CPC B)

Patents· 8 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B65Gprimary

B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors50%

B05BSpraying apparatus10%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers10%

F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges10%

F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace10%

F28GCleaning of internal or external surfaces of heat-exchange or heat-transfer conduits, e.g. water tubes or boilers10%

PatentTitleYear

5,865,617'Replaceable nozzle for high temperature reactors having a fire-resistant lining'1999 5,318,168'Disc retarding conveyor'1994 5,246,102'Closed belt conveyor arrangement'1993 5,131,530'Slide cushion to absorb shocks and to support conveying belts'1992 5,114,000'Stripping device for cleaning conveyor belts'1992 5,074,472'Mist spraying device'1991 4,838,409'Scraper device for conveyor belts'1989 4,767,024'Blowing device for elimination of compactions in bulk material storage silos'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1999Patents assigned to VSR ENG FOERDERTECHNIK (4)· patent assignee history

1988–1999Based in Mulheim, DE· patent location history

1991–1992Patents assigned to VSR ENGINEERING GMBH (3)· patent assignee history

1991Based in Muelheim, DE· patent location history

1993Patents assigned to VRS ENG FOERDERTECH (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
VSR ENG FOERDERTECHNIK	4	1988–1999
VSR ENGINEERING GMBH	3	1991–1992
VRS ENG FOERDERTECH	1	1993

Locations

Location	Patents	Span
Mulheim, DE	7	1988–1999
Muelheim, DE	1	1991