Gravity-magnetic ore separators and methods
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Apr 21, 1987
Issued Date -
N/A
app pub date -
Sep 30, 1985
filing date -
Apr 4, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A gravity-magnetic ore separator for concentrating magnetic or weakly magnetic minerals having a relatively high specific gravity is disclosed. The ore separator utilizes codirectional magnetic and gravitational forces to achieve separation capabilities in excess of that which can be achieved using gravity forces alone. Typically, the gravity-magnetic ore separator is formed by retrofitting a conventional gravity separator such as a spiral, cone, pinched sluice, etc. with magnets so as to enhance the separation capability of the conventional gravitational ore separator. Means are provided to prevent build up of magnetic material on the surface over which the ore flows.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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MARTINEZ JACKIE | 13 BAYSWATER PLACE CHAPEL HILL NC 27514 |
International Classification(s)

- 1985 Application Filing Year
- B03C Class
- 67 Applications Filed
- 0 Patents Issued To-Date
- 0 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Martinez, Edward | 1 Alpine Ct., Huntington Ct., Belle Mead, NJ 08502 | 31 | 172 |
# of filed Patents : 31 Total Citations : 172 |
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Patent Citation Ranking
- 9 Citation Count
- B03C Class
- 0 % this patent is cited more than
- 38 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

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Nov 03, 2021 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4 |
May 15, 2018 | I | Issuance | |
Apr 25, 2018 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jul 14, 2016 | P | Published | |
Jan 08, 2016 | F | Filing | |
Dec 10, 2015 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:GOMEZ, RANDY;NAKADAI, KAZUHIRO;REEL/FRAME:037441/0518 Owner name: HONDA MOTOR CO., LTD., JAPAN Effective Date: Dec 10, 2015 |
Jan 14, 2015 | PD | Priority Date |

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