Inventor
Willi Malikowski
Inventor
Aschaffenburg, DE
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Cprimary
C22CAlloys24%
B23KSoldering or unsoldering21%
H01HElectric switches21%
Y10TTechnical subjects covered by former us classification17%
C04BLime, magnesia7%
B22FWorking metallic powder3%
B24DTools for grinding, buffing or sharpening3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
6,299,835'Cadmium-free silver alloy as low-melting brazing filler material'20015,985,440'Sintered silver-iron material for electrical contacts and process for producing it'19995,841,044'Silver-iron material for electrical switching contacts (I)'19985,808,213'Silver-iron material for electrical switching contacts (II)'19985,728,194'Silver-iron material for electrical switching contacts (III)'19985,531,962'Cadmium-free silver alloy brazing solder, method of using said solder, and metal articles brazed with said solder'19965,400,946'Method for soldering hard substances onto steels'19955,341,981'Use of a cadmium-free silver alloy as brazing solder (III)'19944,980,243'Direct bonding of ceramic parts by a silver alloy solder'19904,749,594'Method for coating surfaces with hard substances'19884,410,491'Material for electrical contacts'19834,341,556'Material for electrical contacts'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–2001Patents assigned to DEGUSSA (12)· patent assignee history
1982–2001Based in Aschaffenburg, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DEGUSSA | 12 | 1982–2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Aschaffenburg, DE | 12 | 1982–2001 |