Dieter Hauffe
Inventor
Stats
- 11 US patents issued
- 11 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 11 US Patents Issued
- 11 US Applications Filed
- 101 Total Citation Count
- Dec 13, 1993 Most Recent Filing
- Jan 8, 1982 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| Metallgesellschaft Aktiengesellschaft | 2
1 2 1 1 | 1982
1985 1987 1988 1993 |
| HOOKER CHEMICALS & PLASTICS CORP. | 1
| 1982
|
| Nippondenso Co., Ltd. | 1
| 1988
|
| MG TECHNOLOGIES AG | 1
1 1 | 1989
1990 1992 |
| PARKER CHEMICAL COMPANY, A DE CORP. | 1
| 1985
|
| CHEMETALL GMBH | 1
| 1991
|
Inventor Addresses
| Address | Duration |
|---|---|
| Frankfurt am Main, DE | Jun 21, 83 - Jan 24, 95 |
| Frankfurt, DE | Dec 06, 83 - Jan 30, 90 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| C23C: | COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL | 5 |
| C23F: | NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES | 4 |
| C25D: | PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING | 2 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 5383982 | 1995 | Process of producing phosphate coatings | 8 |
| 5294266 | 1994 | Process for a passivating postrinsing of conversion layers | 19 |
| 5203930 | 1993 | Process of forming phosphate coatings on metal surfaces | 7 |
| 5165795 | 1992 | Method of determining the weight of conversion layers per unit of area | 6 |
| 5039361 | 1991 | Process of phosphating metal surfaces | 5 |
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