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Inventor

Alfred Ruffer

Inventor
Cologne, DE

Overview

2→
Patents
1984–1986
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A24Bprimary
A24BManufacture or preparation of tobacco for smoking or chewing33%
A24CMachines for making cigars or cigarettes33%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors33%
PatentTitleYear
4,573,484'Charging device for opening and delivering leaf-type material'19864,483,350'Device for charging cigarette machines with tobacco'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984Patents assigned to QUESTER FA WILH (1)· patent assignee history
1984–1986Based in Cologne, DE· patent location history
1986Patents assigned to QUESTER WILH MASCHF GMBH (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
QUESTER FA WILH11984
QUESTER WILH MASCHF GMBH11986
Locations
LocationPatentsSpan
Cologne, DE21984–1986