Inventor · disambiguated record
Donald A. Toon
Also filed as: TOON DONALD A
9 granted patents·665 citations·filing 1987–1994
91Inventor score
Top patents by PatentIndex Score
9 records- 0196US5195583ABorehole packerSOLINST CANADA LTD·Filed 1991·Granted Mar 23, 1993·292 cites·13 claims
- 0290US5048605APacking-seal for boreholesUNIV WATERLOO·Filed 1987·Granted Sep 17, 1991·116 cites·12 claims
- 0389US4989452ALiquid-level detectorSOLINST CANADA LTD·Filed 1989·Granted Feb 5, 1991·99 cites·7 claims
- 0482US5255945AEnd-to-end jointing system for tubes and pipesSOLINST CANADA LTD·Filed 1991·Granted Oct 26, 1993·55 cites·12 claims
- 0576US4928541AGroundwater sampling apparatusSOLINST CANADA LTD·Filed 1989·Granted May 29, 1990·38 cites·8 claims
- 0647US5392853APlugging system for boreholesSOLINST CANADA LTD·Filed 1992·Granted Feb 28, 1995·21 cites·9 claims
- 0745US5031452AWater level probeSOLINST CANADA LTD·Filed 1990·Granted Jul 16, 1991·21 cites·9 claims
- 0836US5485881AGroundwater samplerSOLINST CANADA LTD·Filed 1994·Granted Jan 23, 1996·16 cites·11 claims
- 0931US4902976AProbe for detecting the presence of magnetic material in a ground holeSOLINST CANADA LTD·Filed 1988·Granted Feb 20, 1990·7 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →