US Patent No: 7,312,466
Number of patents in Portfolio can not be more than 2000
High efficiency shield array
Stats
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Dec 25, 2007
Issued date -
May 26, 2005
filing date -
11/138,970
serial no -
In Force
status
Importance
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Abstract
Embodiments of a radiation shield are disclosed. One non-limiting embodiment of the radiation shield may comprise a first layer, a second layer, and a third layer. The first layer may include a neutron moderating material. The second layer may be adjacent the first layer and may include a neutron absorbing material. The third layer may be adjacent the second layer, and may include a photonic radiation attenuating material. At least the first layer and the second layer may be removable from the radiation shield.
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First Claim
Related Publications
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 4,326,130 Shielding container with neutron shielding for the transportation and/or storage of spent fuel elements | 2 | 1979 | |
| 4,434,373 Neutron shielding | 6 | 1982 | |
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| 5,198,182 Production of neutron-shielding tubes | 2 | 1992 | |
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| 6,166,390 Radiation shielding composition | 22 | 1998 | |
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| 4,997,619 Shield for a nuclear reactor | 2 | 1989 | |
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| 4,599,515 Moderator and beam port assembly for neutron radiography | 11 | 1984 | |
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| 6,927,407 Radiation shielding arrangement | 2 | 2004 | |
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| 5,262,463 Neutron-absorbing materials | 3 | 1993 | |
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| 6,517,774 High density composite material | 11 | 1999 | |
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| 6,608,319 Flexible amorphous composition for high level radiation and environmental protection | 2 | 2001 | |
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| 4,275,174 Neutron shielding polymer composition and a process for producing the same | 5 | 1979 | |
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| 5,786,611 Radiation shielding composition | 19 | 1995 | |
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| 4,218,622 Neutron absorbing article and method for manufacture thereof | 16 | 1978 | |
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| 6,048,379 High density composite material | 65 | 1997 | |
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| 5,156,804 High neutron-absorbing refractory compositions of matter and methods for their manufacture | 13 | 1990 | |
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| 5,700,962 Metal matrix compositions for neutron shielding applications | 18 | 1996 | |
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| 4,521,691 Shielding container having neutron shielding for the transportation and/or storage of radioactive material | 4 | 1982 | |
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| 4,727,257 Shield against radiations | 4 | 1986 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jun 25, 2015 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 25, 2019 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| 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 |