Inventor · disambiguated record
William K. Hilfiker
Also filed as: HILFIKER WILLIAM K
40 granted patents·1 pending application·2,494 citations·filing 1975–2013
99Inventor score
Files withHILFIKER WILLIAM K14HILFIKER PIPE CO12HILFIKER PIPE COMPANY2REINFORCED EARTH CO2HILFIKER PIPE1
Top patents by PatentIndex Score
41 records- 0199US4117686AFabric structures for earth retaining wallsHILFIKER PIPE CO·Filed 1977·Granted Oct 3, 1978·135 cites·12 claims
- 0298US4661023ARiveted plate connector for retaining wall face panelsHILFIKER PIPE CO·Filed 1985·Granted Apr 28, 1987·140 cites·11 claims
- 0398US4068482ARetaining wall structure using precast stretcher sectionsHILFIKER PIPE COMPANY·Filed 1976·Granted Jan 17, 1978·86 cites·15 claims
- 0497US5484235ARetaining wall systemFiled 1994·Granted Jan 16, 1996·115 cites·21 claims
- 0597US4856939AMethod and apparatus for constructing geogrid earthen retaining wallsHILFIKER WILLIAM K·Filed 1988·Granted Aug 15, 1989·111 cites·10 claims
- 0697US4616959ASeawall using earth reinforcing matsHILFIKER PIPE CO·Filed 1985·Granted Oct 14, 1986·119 cites·7 claims
- 0797US4391557ARetaining wall for earthen formations and method of making the sameHILFIKER PIPE CO·Filed 1981·Granted Jul 5, 1983·109 cites·8 claims
- 0897US4329089AMethod and apparatus for retaining earthen formations through means of wire structuresHILFIKER PIPE COMPANY·Filed 1979·Granted May 11, 1982·136 cites·20 claims
- 0997US4324508ARetaining and reinforcement system method and apparatus for earthen formationsHILFIKER PIPE CO·Filed 1980·Granted Apr 13, 1982·161 cites·4 claims
- 1096US5076735AWelded wire component gabions and method of making the same and construction soil reinforced retaining walls therefromHILFIKER WILLIAM K·Filed 1990·Granted Dec 31, 1991·107 cites·16 claims
- 1196US4929125AReinforced soil retaining wall and connector thereforHILFIKER WILLIAM K·Filed 1989·Granted May 29, 1990·94 cites·9 claims
- 1295US4343572AApparatus and method for anchoring the rigid face of a retaining structure for an earthen formationHILFIKER PIPE CO·Filed 1980·Granted Aug 10, 1982·73 cites·5 claims
- 1394US4993879AConnector for securing soil reinforcing elements to retaining wall panelsHILFIKER WILLIAM K·Filed 1990·Granted Feb 19, 1991·80 cites·15 claims
- 1493US8079782B1Semi-extensible steel soil reinforcements for mechanically stabilized embankmentsHILFIKER WILLIAM K·Filed 2009·Granted Dec 20, 2011·27 cites·20 claims
- 1593US5702208AGrid-locked block panel systemFiled 1996·Granted Dec 30, 1997·64 cites·55 claims
- 1693US4266890ARetaining wall and connector thereforREINFORCED EARTH CO·Filed 1978·Granted May 12, 1981·52 cites·3 claims
- 1793US4260296AAdjustable cap for retaining wallsREINFORCED EARTH CO·Filed 1979·Granted Apr 7, 1981·52 cites·9 claims
- 1893US4051570ARoad bridge construction with precast concrete modulesHILFIKER PIPE CO·Filed 1976·Granted Oct 4, 1977·64 cites·11 claims
- 1992US7073983B2Earthen retaining wall having flat soil reinforcing mats which may be variably spacedHILFIKER WILLIAM K·Filed 2005·Granted Jul 11, 2006·26 cites·4 claims
- 2091US7281882B2Retaining wall having polymeric reinforcing matsHILFIKER WILLIAM K·Filed 2006·Granted Oct 16, 2007·23 cites·4 claims
- 2191US4834584ADual swiggle reinforcement systemHILFIKER WILLIAM K·Filed 1987·Granted May 30, 1989·60 cites·19 claims
- 2290US5820305AT-block wall systemFiled 1997·Granted Oct 13, 1998·55 cites·27 claims
- 2390US4643618ASoil reinforced cantilever wallHILFIKER PIPE CO·Filed 1985·Granted Feb 17, 1987·75 cites·8 claims
- 2489US5722799AWire earthen retention wall with separate face panel and soil reinforcement elementsFiled 1996·Granted Mar 3, 1998·61 cites·48 claims
- 2589US4992005ALifting device and method for retaining wall panelsHILFIKER WILLIAM K·Filed 1990·Granted Feb 12, 1991·42 cites·9 claims
- 2688US6024516ASystem for securing a face panel to an earthen formationFiled 1997·Granted Feb 15, 2000·56 cites·20 claims
- 2787US5975810AGeo-grid anchorFiled 1998·Granted Nov 2, 1999·54 cites·31 claims
- 2887US4154554ARetaining wall and anchoring means thereforHILFIKER PIPE·Filed 1976·Granted May 15, 1979·44 cites·6 claims
- 2986US5733072AWirewall with stiffened high wire density faceHILFIKER WILLIAM K·Filed 1996·Granted Mar 31, 1998·54 cites·11 claims
- 3083US6517293B2Anchor grid connection elementFiled 2001·Granted Feb 11, 2003·31 cites·15 claims
- 3182US6857823B1Earthen retaining wall having flat soil reinforcing mats which may be variably spacedHILFIKER WILLIAM K·Filed 2003·Granted Feb 22, 2005·28 cites·27 claims
- 3281US4618283AArchway construction utilizing alternating reinforcing mats and fill layersHILFIKER PIPE CO·Filed 1984·Granted Oct 21, 1986·33 cites·35 claims
- 3380US5975809AApparatus and method for securing soil reinforcing elements to earthen retaining wall componentsFiled 1997·Granted Nov 2, 1999·42 cites·18 claims
- 3478US9702110B1Panel connector and method of useHILFIKER WILLIAM K·Filed 2012·Granted Jul 11, 2017·5 cites·7 claims
- 3577US5749680AWire mat connectorHILFIKER WILLIAM K·Filed 1996·Granted May 12, 1998·39 cites·28 claims
- 3670US5492438AApparatus and method for retaining wall top panelFiled 1994·Granted Feb 20, 1996·29 cites·11 claims
- 3767US9011048B2Method for constructing a mechanically stabilized earthen embankment using semi-extensible steel soil reinforcementsHILFIKER WILLIAM K·Filed 2013·Granted Apr 21, 2015·2 cites·9 claims
- 3855USD288616SFace panel for seawallHILFIKER PIPE CO·Filed 1984·Granted Mar 3, 1987·5 cites·1 claims
- 3948USD243613SRetaining wall stringerHILFIKER PIPE CO·Filed 1976·Granted Mar 8, 1977·3 cites·1 claims
- 4043USD243697SRetaining wall stretcherHILFIKER PIPE CO·Filed 1975·Granted Mar 15, 1977·2 cites·1 claims
- 4138US2002044841A1Coil-loop grid connection elementFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →