Charles H Lofthouse
Inventor
Stats
- 4 US patents issued
- 4 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 4 US Patents Issued
- 4 US Applications Filed
- 35 Total Citation Count
- Jul 7, 1993 Most Recent Filing
- Dec 12, 1977 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| ECC INTERNATIONAL LIMITED | 1
| 1993
|
| ENGLISH CLAYS LOVERING POCHIN & COMPANY LIMITED | 1
1 1 | 1977
1979 1980 |
Inventor Addresses
| Address | Duration |
|---|---|
| Cornwall, GB | Apr 18, 95 - Apr 18, 95 |
| Cornwall, GB2 | Jun 17, 80 - Nov 17, 81 |
| St. Austell, GB2 | Jul 13, 82 - Jul 13, 82 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| B03B: | SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS | 2 |
| B03C: | MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS | 1 |
| B03D: | FLOTATION; DIFFERENTIAL SEDIMENTATION | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 5407140 | 1995 | Differential grinding | 5 |
| 4339042 | 1982 | Treatment of minerals | 8 |
| 4301001 | 1981 | Process for concentrating mica in a mixture of sand and mica | 6 |
| 4208277 | 1980 | Rotary reciprocating magnetic separator with upward feed | 9 |
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