Inventor · disambiguated record
D. Keith Appel
Also filed as: APPEL D KEITH
9 granted patents·173 citations·filing 1993–2021
87Inventor score
Top patents by PatentIndex Score
9 records- 0193US10906755B1Material moving apparatus, systems and methodsSOFTWEAR AUTOMATION INC·Filed 2020·Granted Feb 2, 2021·5 cites·20 claims
- 0289US5398560AApparatus for inspecting pipingUS ARMY·Filed 1993·Granted Mar 21, 1995·50 cites·17 claims
- 0378US5473953ADevice for inspecting vessel surfacesUS ARMY·Filed 1993·Granted Dec 12, 1995·51 cites·17 claims
- 0466US12312183B2Material moving apparatus, systems and methodsSOFTWEAR AUTOMATION INC·Filed 2021·Granted May 27, 2025·0 cites·20 claims
- 0566US6189473B1Contour-following apparatus for cleaning surfacesREMOTE TOOLS INC·Filed 1999·Granted Feb 20, 2001·42 cites·20 claims
- 0664US5433236AApparatus for moving a pipe inspection probe through pipingUS ARMY·Filed 1993·Granted Jul 18, 1995·25 cites·13 claims
- 0761US10987814B1Compliant perimeter end effectorsSOFTWEAR AUTOMATION INC·Filed 2020·Granted Apr 27, 2021·0 cites·20 claims
- 0858US12157222B2Compliant perimeter end effectorsAPPEL D KEITH·Filed 2021·Granted Dec 3, 2024·0 cites·15 claims
- 0955US11008686B1Seam finishing systems and methodsSOFTWEAR AUTOMATION INC·Filed 2020·Granted May 18, 2021·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →