Inventor · disambiguated record
John H. Ballard
Also filed as: BALLARD JOHN H
5 granted patents·168 citations·filing 1995–1997
83Inventor score
Top patents by PatentIndex Score
5 records- 0168US5902939APenetrometer sampler system for subsurface spectral analysis of contaminated mediaU S ARMY CORPS OF ENGINEERS AS·Filed 1996·Granted May 11, 1999·67 cites·11 claims
- 0266US5548115AProbe device for detecting contaminants in subsurface mediaU S ARMY CORPS OF ENGINEERS AS·Filed 1995·Granted Aug 20, 1996·33 cites·21 claims
- 0363US5744730ASubsurface in-situ radon gas detection/penetrometer systemFiled 1997·Granted Apr 28, 1998·30 cites·13 claims
- 0454US5635710ASubsurface penetrometer radiaton sensor probe and systemUS ARMY·Filed 1996·Granted Jun 3, 1997·31 cites·17 claims
- 0531US6047782AAssembly and method for extracting discrete soil samplesUS ARMY·Filed 1997·Granted Apr 11, 2000·7 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →