Inventor · disambiguated record
Voldi E. Maki, Jr.
Also filed as: MAKI JR VOLDI E · MAKI VOLDI · MAKI VOLDI E
22 granted patents·657 citations·filing 1985–2015
96Inventor score
Files withMAKI JR VOLDI E4HALLIBURTON LOGGING SERVICES3CHANDLER ENGINEERING COMPANY L2DRESSER IND2GOODMAN GEORGE DAVID2
Top patents by PatentIndex Score
22 records- 0196US9555444B2Acoustic transducer with impedance matching layerHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Jan 31, 2017·13 cites·16 claims
- 0294US9363605B2Focused acoustic transducerGOODMAN GEORGE DAVID·Filed 2011·Granted Jun 7, 2016·29 cites·20 claims
- 0394US5595243AAcoustic well cleanerFiled 1995·Granted Jan 21, 1997·81 cites·3 claims
- 0484US5992223AAcoustic method for determining the static gel strength of a cement slurryCHANDLER ENGINEERING COMPANY L·Filed 1997·Granted Nov 30, 1999·74 cites·19 claims
- 0584US5874676AMethod and apparatus for acoustically investigating a casing with a swept frequency pulseFiled 1997·Granted Feb 23, 1999·69 cites·20 claims
- 0683US6941819B1Apparatus and method for determining the dynamic mechanical properties of a cement sampleCHANDLER INSTR COMPANY L L C·Filed 2002·Granted Sep 13, 2005·39 cites·16 claims
- 0782US6345535B1Apparatus and method for estimating the compressive strength of foam cementCHANDLER ENGINEERING COMPANY L·Filed 2000·Granted Feb 12, 2002·22 cites·13 claims
- 0882US4709357AMethod and apparatus for acoustically investigating a borehole casing cement bondGEARHART IND INC·Filed 1985·Granted Nov 24, 1987·65 cites·18 claims
- 0980US9079221B2Acoustic transducer with impedance matching layerGOODMAN GEORGE DAVID·Filed 2011·Granted Jul 14, 2015·4 cites·29 claims
- 1078US6112599AMethod and apparatus for measuring a cement sample using a single transducer assemblyCEMENT TEST EQUIPMENT INC·Filed 1998·Granted Sep 5, 2000·56 cites·26 claims
- 1175US7942064B2Method and apparatus for measurement of mechanical characteristics of a cement sampleMAKI JR VOLDI E·Filed 2008·Granted May 17, 2011·4 cites·20 claims
- 1272US5044462AFocused planar transducerHALLIBURTON LOGGING SERVICES·Filed 1990·Granted Sep 3, 1991·43 cites·17 claims
- 1370US9224938B2Piezoelectric element and method to remove extraneous vibration modesMAKI JR VOLDI E·Filed 2011·Granted Dec 29, 2015·3 cites·22 claims
- 1465US6269684B1Dynamic fluid loss cell apparatus and method thereofHALLIBURTON ENGERGY SERVICES I·Filed 1998·Granted Aug 7, 2001·52 cites·17 claims
- 1563US5467320AAcoustic measuring method for borehole formation testingHALLIBURTON CO·Filed 1993·Granted Nov 14, 1995·33 cites·5 claims
- 1661US5357797AMethod and apparatus for correcting MWD porosity measurementHALLIBURTON LOGGING SERVICES·Filed 1993·Granted Oct 25, 1994·36 cites·6 claims
- 1757US7677104B2Acoustic transducer system for nondestructive testing of cementCHANDLER INSTR COMPANY LLC·Filed 2006·Granted Mar 16, 2010·4 cites·2 claims
- 1849US9401470B2Electrical contacts to a ring transducerMAKI JR VOLDI E·Filed 2011·Granted Jul 26, 2016·0 cites·24 claims
- 1945US4918669AMethod and apparatus for sonic dip measurementHALLIBURTON LOGGING SERVICES·Filed 1989·Granted Apr 17, 1990·16 cites·8 claims
- 2044US6070465AFree water measurement apparatus and method thereofDRESSER IND·Filed 1998·Granted Jun 6, 2000·9 cites·19 claims
- 2143US8910533B2Method for pressure compensating a transducerMAKI JR VOLDI E·Filed 2011·Granted Dec 16, 2014·0 cites·19 claims
- 2237US6151963AApparatus and method for evaluating the effectiveness of materials removal by a fluidDRESSER IND·Filed 1998·Granted Nov 28, 2000·5 cites·34 claims
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