Inventor · disambiguated record
Frederick Langford
Also filed as: LANGFORD FREDERICK
7 granted patents·604 citations·filing 1989–2004
90Inventor score
Top patents by PatentIndex Score
7 records- 0186US5453054AControllable waterslide weirWATERWORLD PRODUCTS INC·Filed 1994·Granted Sep 26, 1995·149 cites·6 claims
- 0286US5011134AWaterslide with uphill run and flotation device thereforLANGFORD FREDERICK·Filed 1990·Granted Apr 30, 1991·132 cites·12 claims
- 0384US5020465ACoupleable flotation apparatus forming lines and arraysLANGFORD FREDERICK·Filed 1989·Granted Jun 4, 1991·85 cites·26 claims
- 0483US6053790ATrain coupleable flotation tube for waterslidesFiled 1998·Granted Apr 25, 2000·37 cites·16 claims
- 0583US5230662AWaterslide with uphill run and flotation device thereforLANGFORD FREDERICK·Filed 1991·Granted Jul 27, 1993·98 cites·20 claims
- 0681US5779553AWaterslide with uphill runs and progressive gravity feedFiled 1996·Granted Jul 14, 1998·97 cites·15 claims
- 0762US7066821B2Waterslide with level equalization conduits coupling between run-out lanesLANGFORD FREDERICK·Filed 2004·Granted Jun 27, 2006·6 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →