Inventor · disambiguated record
Frans R. P. Pienaar
Also filed as: PIENAAR FRANS R P · PIENAAR FRANS ROELOF PETRUS
7 granted patents·80 citations·filing 1991–2004
85Inventor score
Technology areasE21D
Files withH L & H TIMBER PROD3HL & H TIMBER PRODUCTS PTY LTD2HL & H TIMBER PRODUCTS PROPREI1WILSON WALTER BAILLIE1
Top patents by PatentIndex Score
7 records- 0149US5149228AProp preloading apparatusH L & H TIMBER PROD·Filed 1991·Granted Sep 22, 1992·19 cites·11 claims
- 0246US5435670ASpacer assembly and methodH L & H TIMBER PROD·Filed 1993·Granted Jul 25, 1995·18 cites·8 claims
- 0342US5318387AYieldable load supportH L & H TIMBER PROD·Filed 1992·Granted Jun 7, 1994·15 cites·22 claims
- 0434US7073981B2Rock stabilizerWILSON WALTER BAILLIE·Filed 2004·Granted Jul 11, 2006·2 cites·7 claims
- 0533US5427476AMine prop headboardHL & H TIMBER PRODUCTS PTY LTD·Filed 1993·Granted Jun 27, 1995·9 cites·15 claims
- 0631US5658099AProp headboardHL & H TIMBER PRODUCTS PROPREI·Filed 1994·Granted Aug 19, 1997·10 cites·13 claims
- 0730US5288178APreload headboard for an elongate propHL & H TIMBER PRODUCTS PTY LTD·Filed 1992·Granted Feb 22, 1994·7 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →