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Inventor

Helmut Proefrock

Inventor
Leutenbach, DE

Overview

2→
Patents
2000–2001
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C23Cprimary
C23CCoating metallic material33%
B22FWorking metallic powder17%
C22CAlloys17%
F02FCylinders, pistons or casings, for combustion engines17%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
6,221,504'Coating consisting of hypereutectic aluminum/silicon alloy and/or an aluminum/silicon composite material'20016,080,360'Coating for a cylinder of a reciprocating engine'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2001Patents assigned to DAIMLER CHRYSLER AG (2)· patent assignee history
2000–2001Based in Leutenbach, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAIMLER CHRYSLER AG22000–2001
Locations
LocationPatentsSpan
Leutenbach, DE22000–2001