Assignee
FOLSOM METAL PRODUCTS INC
US·4 granted patents·575 citations·filing 1991–1993
Technology mixE21B4
Top patents by PatentIndex Score
4 records- 0194US5178215ARotary blowout preventer adaptable for use with both kelly and overhead drive mechanismsFOLSOM METAL PRODUCTS INC·Filed 1991·Granted Jan 12, 1993·191 cites·16 claims
- 0292US5279365ARotary blowout preventer adaptable for use with both kelly and overhead drive mechanismsFOLSOM METAL PRODUCTS INC·Filed 1993·Granted Jan 18, 1994·139 cites·13 claims
- 0389US5224557ARotary blowout preventer adaptable for use with both kelly and overhead drive mechanismsFOLSOM METAL PRODUCTS INC·Filed 1993·Granted Jul 6, 1993·152 cites·21 claims
- 0486US5277249ARotary blowout preventer adaptable for use with both kelly and overhead drive mechanismsFOLSOM METAL PRODUCTS INC·Filed 1993·Granted Jan 11, 1994·93 cites·16 claims
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