LexDanaLexDanabeta
Inventor

Dietmar Leeb

Inventor
Zurich, CH

Overview

3→
Patents
1977–1993
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties33%
B21FWorking or processing of metal wire17%
E04CStructural elements17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
5,176,026'Apparatus for measuring the surface hardness of building materials'19934,064,319'Upset head at a high-strength tension wire and method for the production thereof'19774,034,603'Method of an apparatus for testing the hardness of materials'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1993Patents assigned to PROCEQ SA (2)· patent assignee history
1977Patents assigned to BUREAU BBR LTD (1)· patent assignee history
1977Based in Zurich, CH· patent location history
1993Based in Kilchberg, CH· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PROCEQ SA21977–1993
BUREAU BBR LTD11977
Locations
LocationPatentsSpan
Zurich, CH21977
Kilchberg, CH11993