Inventor

Hans Butz

Inventor
Schwebheim, DE

Overview

11→
Patents
1977–2008
Patent span
Performing operations
Primary field (CPC B)

Patents· 11 as inventor

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

B22Dprimary
B22DCasting of metals19%
B62MRider propulsion of wheeled vehicles or sledges14%
B60BVehicle wheels10%
F16DCouplings for transmitting rotation10%
Y10TTechnical subjects covered by former us classification10%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding5%
B62JCycle saddles or seats5%
B62KCycles5%
B62LBrakes specially adapted for cycles5%
F02DControlling combustion engines5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1986Patents assigned to FICHTEL & SACHS AG (4)· patent assignee history
1977–1995Patents assigned to MANNESMANN AG (4)· patent assignee history
1977–2004Based in Schwebheim, DE· patent location history
1977–1995Based in Duisburg, DE· patent location history
1995Patents assigned to ARVEDI GIOVANNI (1)· patent assignee history
1999–2004Patents assigned to SRAM DE GMBH (2)· patent assignee history
2008Patents assigned to DAIMLER CHRYSLER AG (1)· patent assignee history
2008Based in Esslingen, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FICHTEL & SACHS AG41977–1986
MANNESMANN AG41977–1995
SRAM DE GMBH21999–2004
ARVEDI GIOVANNI11995
DAIMLER CHRYSLER AG12008
Locations
LocationPatentsSpan
Schwebheim, DE61977–2004
Duisburg, DE41977–1995
Esslingen, DE12008