Inventor

August Liepold

Inventor

Munich, DE

Overview

22→

Patents

1978–2000

Patent span

Physics

Primary field (CPC G)

Patents· 22 as inventor

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

G11Bprimary

G11BInformation storage based on relative movement between record carrier and transducer57%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers19%

B65HHandling thin or filamentary material, e.g. sheets, webs, cables14%

Y02WClimate change mitigation technologies related to wastewater treatment or waste management8%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

PatentTitleYear

6,102,326'Hub for information media'2000 6,047,921'Hub for information media'2000 5,873,543'Winding hub for information carriers in tape form'1999 5,690,225'Support for annular bodies and support with stacked annular bodies'1997 5,607,052'Multipack for magnetic tapes wound onto hubs'1997 5,549,198'Multipack for recording media in tape form wound onto hubs'1996 5,520,353'Winding hub device for tapes'1996 5,450,961'Reusable multipack for stacked wound rolls'1995 5,405,101'Supporting core for wound-up recording media'1995 5,363,962'Multipack for magnetic tapes wound onto hubs'1994 5,351,901'Hub tensioning device'1994 5,344,014'Reusable multipack for stacked wound rolls'1994 5,257,749'Hub for information media'1993 5,086,919'Multiple packaging for magnetic tapes wound on cores'1992 4,988,001'Multi-unit package for magnetic tapes wound on to cores'1991 4,916,565'Magnetic tape cassette having improved closure means'1990 4,650,601'Cassette display window'1987 4,602,303'Cover for the light channel for a device for switching-off a magnetic cassette tape at the end of its run'1986 4,564,120'Magnetic tape cassette'1986 4,527,691'Magnetic tape cassette'1985 4,473,198'Spool for video cassette'1984 4,114,833'Magnetic tape cassette'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1991Patents assigned to AGFA GEVAERT AG (8)· patent assignee history

1978–2000Based in Munich, DE· patent location history

1992–1997Patents assigned to BASF MAGNETICS GMBH (11)· patent assignee history

1999–2000Patents assigned to EMTEC MAGNETICS GMBH (2)· patent assignee history

2000Patents assigned to EMTEC MAGNETICS (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BASF MAGNETICS GMBH	11	1992–1997
AGFA GEVAERT AG	8	1978–1991
EMTEC MAGNETICS GMBH	2	1999–2000
EMTEC MAGNETICS	1	2000

Locations

Location	Patents	Span
Munich, DE	22	1978–2000