国家/地区 |
美国(12)![]() |
IPC部 |
B(12)![]() |
IPC大类 |
B01(12)
C02(12)
C08(5)
C01(3) E21(3) |
IPC小类 |
B01D(12)![]() |
IPC |
C02F001/44(12)![]() |
发明人 |
JAMISON D E(4)
SHUMWAY W W(4)
KOLELVEETIL M K(2)
PEARL W C(2) SHEEHAN P E(2) |
公开年 |
2021(12)![]() |
申请年 | 2020(6) 2021(3) 2019(2) |
专利权人 | HALLIBURTON .(4) US SEC OF NA.(2) |
JAMISON D E, SHUMWAY W W, PEARL W C
JAMISON D E, SHUMWAY W W, PEARL W C
VERRILL D, LOVE S, HU X, SALAS D L C D
SHEEHAN P E, KOLELVEETIL M K
SHEEHAN P E, KOLELVEETIL M K
QIAO J, WANG S, ZHANG X, QI G, SONG Z, CAI C, WANG X, LAI J, LI B, JIANG H, RU Y, ZHANG J, GAO J, ZHANG H, HAN P, JIANG C, GUO Z, GUICUN Q, ZHIHAI S, BINGHAI L, JIANMING G, ZHAOYAN G, SOONGHEO W, LIU Y, JIANG X