Inventor · disambiguated record
Per K. Enge
Also filed as: ENGE PER · ENGE PER K · ENGE PER KRISTIAN
37 granted patents·7 pending applications·1,031 citations·filing 1987–2023
98Inventor score
Top patents by PatentIndex Score
44 records- 0196US8509488B1Image-aided positioning and navigation systemENGE PER K·Filed 2010·Granted Aug 13, 2013·60 cites·28 claims
- 0291US9059784B2Space based authentication utilizing signals from low and medium earth orbitBOEING CO·Filed 2014·Granted Jun 16, 2015·16 cites·19 claims
- 0390US5465413AAdaptive noise cancellationTRIMBLE NAVIGATION LTD·Filed 1993·Granted Nov 7, 1995·124 cites·26 claims
- 0489US8315389B2Geosecurity methods and devices using geotags derived from noisy location data from multiple sourcesQIU DI·Filed 2010·Granted Nov 20, 2012·33 cites·8 claims
- 0589US5944770AMethod and receiver using a low earth orbiting satellite signal to augment the global positioning systemTRIMBLE NAVIGATION LTD·Filed 1997·Granted Aug 31, 1999·127 cites·10 claims
- 0689US5621646AWide area differential GPS reference system and methodUNIV STANFORD·Filed 1996·Granted Apr 15, 1997·186 cites·15 claims
- 0786US10690776B2Spoofing detection and anti-jam mitigation for GPS antennasUNIV LELAND STANFORD JUNIOR·Filed 2015·Granted Jun 23, 2020·6 cites·11 claims
- 0886US6930639B2Dual-element microstrip patch antenna for mitigating radio frequency interferenceUNIV LELAND STANFORD JUNIOR·Filed 2003·Granted Aug 16, 2005·60 cites·15 claims
- 0984US8068533B2Receiver for GPS-like signalsLEVIN PETER·Filed 2008·Granted Nov 29, 2011·11 cites·12 claims
- 1083US8068534B2Authenticating a signal based on an unknown component thereofLEVIN PETER·Filed 2008·Granted Nov 29, 2011·11 cites·9 claims
- 1183US6031882AAdaptive equalization of multipath signalsTRIMBLE NAVIGATION LTD·Filed 1997·Granted Feb 29, 2000·66 cites·2 claims
- 1282US11656368B2Systems and methods for GPS/GNSS based real time global asset trackingUNIV LELAND STANFORD JUNIOR·Filed 2021·Granted May 23, 2023·1 cites·7 claims
- 1382US5630208AAdaptive multipath equalizationTRIMBLE NAVIGATION LTD·Filed 1994·Granted May 13, 1997·70 cites·23 claims
- 1481US6868110B2Multipath and tracking error reduction method for spread-spectrum receiversUNIV LELAND STANFORD JUNIOR·Filed 2000·Granted Mar 15, 2005·36 cites·45 claims
- 1579US8391488B2Method and apparatus for using navigation signal information for geoencryption to enhance securityQIU DI·Filed 2009·Granted Mar 5, 2013·12 cites·19 claims
- 1678US9395441B1Powerline-aided satellite-based navigation systemWANG YI-HSIU·Filed 2010·Granted Jul 19, 2016·7 cites·28 claims
- 1777US8068054B2Receiver with means for ensuring bona fide of received signalsLEVIN PETER·Filed 2008·Granted Nov 29, 2011·13 cites·21 claims
- 1876US7969354B2Authenticating a signal based on an unknown component thereofZANIO INC·Filed 2008·Granted Jun 28, 2011·17 cites·16 claims
- 1973US5812961AMethod and reciever using a low earth orbiting satellite signal to augment the global positioning systemTRIMBLE NAVIGATION LTD·Filed 1995·Granted Sep 22, 1998·60 cites·37 claims
- 2070US8837728B2Server algorithms to improve space based authenticationENGE PER K·Filed 2012·Granted Sep 16, 2014·3 cites·16 claims
- 2166US7574215B1System and method for distribution of GPS satellite informationTRIMBLE NAVIGATION LTD·Filed 2000·Granted Aug 11, 2009·22 cites·67 claims
- 2266US5278568AMethod of and apparatus for two-way radio communication amongst fixed base and mobile terminal users employing meteor scatter signals for communications inbound from the mobile terminals and outbound from the base terminals via Loran communication signalsMEGAPULSE INC·Filed 1992·Granted Jan 11, 1994·39 cites·18 claims
- 2364US12078736B2Systems and methods for GPS/GNSS based real time global asset trackingUNIV LELAND STANFORD JUNIOR·Filed 2023·Granted Sep 3, 2024·0 cites·21 claims
- 2463US9274210B2Indoor radio ranging based on a subset of subcarriers employed by orthogonal frequency division multiplexing (OFDM)QUALCOMM INC·Filed 2012·Granted Mar 1, 2016·2 cites·46 claims
- 2557US10728032B2Server algorithms to improve space based authenticationBOEING CO·Filed 2017·Granted Jul 28, 2020·0 cites·20 claims
- 2656US8599068B2Systems and methods for mobile terminal location verificationKOHLI SANJAI·Filed 2011·Granted Dec 3, 2013·1 cites·20 claims
- 2755US7868819B2Arrangements for satellite-based navigation and methods thereforUNIV LELAND STANFORD JUNIOR·Filed 2008·Granted Jan 11, 2011·2 cites·18 claims
- 2853US9698987B2Server algorithms to improve space based authenticationBOEING CO·Filed 2014·Granted Jul 4, 2017·0 cites·20 claims
- 2953US9488731B2Authentication based on random bits in satellite navigation messagesBOEING CO·Filed 2014·Granted Nov 8, 2016·0 cites·16 claims
- 3052US8843313B2Multipath isolation through the combined use of antenna diversity and frequency diversityENGE PER K·Filed 2012·Granted Sep 23, 2014·1 cites·28 claims
- 3151US4800391AMethod of and apparatus for message communication on Loran-C navigational signal broadcasts and the like with reduced navigation errorsMEGAPULSE INC·Filed 1987·Granted Jan 24, 1989·15 cites·10 claims
- 3249US5745075AMulti-tone DGPS beacon transmitter and receiverTRIMBLE NAVIGATION LTD·Filed 1996·Granted Apr 28, 1998·17 cites·36 claims
- 3348US8930556B2Authentication based on random bits in satellite navigation messagesENGE PER K·Filed 2012·Granted Jan 6, 2015·0 cites·17 claims
- 3448US8811614B2Space based authentication utilizing signals from low and medium earth orbitENGE PER K·Filed 2012·Granted Aug 19, 2014·0 cites·20 claims
- 3547US4821038AMethod of and apparatus for Loran-C message communication with reduced skywave navigation location errors and the likeMEGAPULSE INC·Filed 1987·Granted Apr 11, 1989·13 cites·7 claims
- 3646US2012038509A1Receiver for GPS-Like SignalsLEVIN PETER L·Filed 2011·Application pending·0 cites
- 3745US2012032841A1Arrangement With Means for Ensuring Bona Fide of Received SignalsLEVIN PETER·Filed 2011·Application pending·0 cites
- 3845US2012057658A1Authenticating a Signal Based on an Unknown Component ThereofLEVIN PETER·Filed 2011·Application pending·0 cites
- 3942US2010278335A1Arrangements for Location-Based Security Systems and Methods ThereforENGE PER·Filed 2008·Application pending·0 cites
- 4039US2012087444A1Secure Information Transfer Based on Global PositionDELORENZO DAVID S·Filed 2011·Application pending·0 cites
- 4139US2010241864A1Authenticating an integrated circuit based on stored informationDAFCA INC·Filed 2009·Application pending·0 cites
- 4238US8300813B1Secure information transfer based on global positionDELORENZO DAVID S·Filed 2008·Granted Oct 30, 2012·0 cites·11 claims
- 4338US2009195354A1Authenticating a signal based on an unknown component thereofLEVIN PETER·Filed 2008·Application pending·0 cites
- 4431US8120533B2Method and system for deriving location information from utility linesLO SHERMAN CHIH·Filed 2007·Granted Feb 21, 2012·0 cites·29 claims
Join the waitlist — get patent alerts
Get an alert when Per K. Enge files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →