Inventor · disambiguated record
David A. Evans
Also filed as: EVANS DAVID · EVANS DAVID A · EVANS DAVID ANTHONY · EVANS SR DAVID A
46 granted patents·12 pending applications·2,415 citations·filing 1974–2025
99Inventor score
Files withCLARITECH CORP15JUSTSYSTEMS EVANS RES INC11KHOROS LLC5MICROSOFT TECHNOLOGY LICENSING LLC5CLAIRVOYANCE CORP4
Top patents by PatentIndex Score
58 records- 0195US7359851B2Method of identifying the language of a textual passage using short word and/or n-gram comparisonsCLAIRVOYANCE CORP·Filed 2004·Granted Apr 15, 2008·264 cites·19 claims
- 0295US5893101AProtection of an electronically stored image in a first color space by the alteration of digital component in a second color spaceSYSTEMS RESEARCH & APPLIC CORP·Filed 1997·Granted Apr 6, 1999·310 cites·4 claims
- 0395US5617119AProtection of an electronically stored image in a first color space by the alteration of a digital component in a second color spaceSYSTEMS RESEARCH & APPLIC CORP·Filed 1995·Granted Apr 1, 1997·437 cites·1 claims
- 0494US9163718B2Haptic feedback shift knobFORD GLOBAL TECH LLC·Filed 2014·Granted Oct 20, 2015·20 cites·14 claims
- 0594US5926808ADisplaying portions of text from multiple documents over multiple databases related to a search query in a computer networkCLARITECH CORP·Filed 1997·Granted Jul 20, 1999·158 cites·10 claims
- 0692US6055528AMethod for cross-linguistic document retrievalCLARITECH CORP·Filed 1997·Granted Apr 25, 2000·111 cites·10 claims
- 0791US6820079B1Method and apparatus for retrieving text using document signaturesCLARITECH CORP·Filed 2000·Granted Nov 16, 2004·61 cites·20 claims
- 0889US5970483AApparatus and methodology for submitting search queriesCLARITECH CORP·Filed 1997·Granted Oct 19, 1999·120 cites·6 claims
- 0988US11438289B2Gesture-based community moderationKHOROS LLC·Filed 2021·Granted Sep 6, 2022·3 cites·20 claims
- 1088US4423564ATraps and trapping techniquesUNIV SOUTHAMPTON·Filed 1980·Granted Jan 3, 1984·57 cites·6 claims
- 1187US11128589B1Gesture-based community moderationKHOROS LLC·Filed 2020·Granted Sep 21, 2021·4 cites·19 claims
- 1287US10692287B2Multi-step placement of virtual objectsMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2017·Granted Jun 23, 2020·7 cites·22 claims
- 1387US10311543B2Virtual object movementMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2016·Granted Jun 4, 2019·6 cites·17 claims
- 1487US6338594B1Movable barrier wallADLER RICHARD S·Filed 1999·Granted Jan 15, 2002·59 cites·91 claims
- 1586US7356187B2Method and apparatus for adjusting the model threshold of a support vector machine for text classification and filteringCLAIRVOYANCE CORP·Filed 2004·Granted Apr 8, 2008·57 cites·18 claims
- 1685US6532461B2Apparatus and methodology for submitting search oueriesCLAIRVOYANCE·Filed 2001·Granted Mar 11, 2003·35 cites·6 claims
- 1784US6358692B1High speed, automated, continuous flow, multi-dimensional molecular selection and analysisPERSEPTIVE BIOSYSTEMS INC·Filed 1999·Granted Mar 19, 2002·69 cites·19 claims
- 1884US6029167AMethod and apparatus for retrieving text using document signaturesCLARITECH CORP·Filed 1997·Granted Feb 22, 2000·96 cites·10 claims
- 1982US6226631B1Apparatus and methodology for submitting search queriesCLARITECH CORP·Filed 1999·Granted May 1, 2001·76 cites·6 claims
- 2081US9202376B1Parking management system related to street cleaningEVANS DAVID ANTHONY·Filed 2013·Granted Dec 1, 2015·13 cites·11 claims
- 2180US6363179B1Methodology for displaying search results using character recognitionCLARITECH CORP·Filed 1999·Granted Mar 26, 2002·78 cites·7 claims
- 2277US6794148B2High speed, automated, continuous flow, multi-dimensional molecular selection and analysisPERSEPTIVE BIOSYSTEMS INC·Filed 2001·Granted Sep 21, 2004·15 cites·18 claims
- 2375US6377947B1Information retrieval based on using and locating subdocumentsCLARITECH CORP·Filed 2000·Granted Apr 23, 2002·16 cites·9 claims
- 2473US5907840AOverlapping subdocuments in a vector space search processCLARITECH CORP·Filed 1997·Granted May 25, 1999·54 cites·8 claims
- 2572US6263329B1Method and apparatus for cross-linguistic database retrievalCLARITECH·Filed 1999·Granted Jul 17, 2001·35 cites·10 claims
- 2671US12238056B2Gesture-based community moderationKHOROS LLC·Filed 2023·Granted Feb 25, 2025·0 cites·20 claims
- 2770US5999925AInformation retrieval based on use of sub-documentsCLARITECH CORP·Filed 1997·Granted Dec 7, 1999·43 cites·9 claims
- 2870US2025267115A1Gesture-based community moderationKHOROS LLC·Filed 2025·Application pending·0 cites
- 2969US5987448AMethodology for displaying search results using character recognitionCLARITECH CORP·Filed 1997·Granted Nov 16, 1999·48 cites·14 claims
- 3068US10620779B2Navigating a holographic imageMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2017·Granted Apr 14, 2020·1 cites·15 claims
- 3168US6152299AReusable display package for shanked tool or other display itemBLACK & DECKER INC·Filed 1999·Granted Nov 28, 2000·43 cites·17 claims
- 3267US11729125B2Gesture-based community moderationKHOROS LLC·Filed 2022·Granted Aug 15, 2023·0 cites·20 claims
- 3363US6876998B2Method for cross-linguistic document retrievalCLARITECH CORP·Filed 2001·Granted Apr 5, 2005·13 cites·10 claims
- 3462US6161693AReusable display package for circular blade or other display itemBLACK & DECKER INC·Filed 1999·Granted Dec 19, 2000·23 cites·20 claims
- 3561US10672103B2Virtual object movementMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2019·Granted Jun 2, 2020·0 cites·20 claims
- 3661US7472131B2Method and apparatus for constructing a compact similarity structure and for using the same in analyzing document relevanceJUSTSYSTEMS EVANS RES INC·Filed 2005·Granted Dec 30, 2008·2 cites·10 claims
- 3761US6473755B2Overlapping subdocuments in a vector space search processCLARITECH CORP·Filed 2001·Granted Oct 29, 2002·7 cites·15 claims
- 3855US7426509B2Method and apparatus for document filtering using ensemble filtersJUSTSYSTEMS EVANS RES INC·Filed 2003·Granted Sep 16, 2008·5 cites·29 claims
- 3951US6205443B1Overlapping subdocuments in a vector space search processCLARITECH CORP·Filed 1999·Granted Mar 20, 2001·19 cites·15 claims
- 4051US6115706AInformation retrieval based on use of subdocumentsCLARITECH CORP·Filed 1999·Granted Sep 5, 2000·18 cites·9 claims
- 4150US7949644B2Method and apparatus for constructing a compact similarity structure and for using the same in analyzing document relevanceJUSTSYSTEMS EVANS RES INC·Filed 2008·Granted May 24, 2011·0 cites·9 claims
- 4250US2008294398A1Method and apparatus for the automated construction of models of activities from textual descriptions of the activitiesJUSTSYSTEMS EVANS RES INC·Filed 2007·Application pending·0 cites
- 4349US3977533AClassifying apparatusPOST OFFICE·Filed 1974·Granted Aug 31, 1976·11 cites·12 claims
- 4448US7464096B2Method and apparatus for information mining and filteringJUSTSYSTEMS EVANS REASEARCH IN·Filed 2005·Granted Dec 9, 2008·4 cites·17 claims
- 4548US7398269B2Method and apparatus for document filtering using ensemble filtersJUSTSYSTEMS EVANS RES INC·Filed 2003·Granted Jul 8, 2008·8 cites·10 claims
- 4644USD1009298SOffice privacy boothZENBOOTH INC·Filed 2019·Granted Dec 26, 2023·6 cites·1 claims
- 4744US10242643B2Constrained head-mounted display communicationMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2016·Granted Mar 26, 2019·0 cites·19 claims
- 4844US2003200505A1Method and apparatus for overlaying a source text on an output textFiled 2003·Application pending·0 cites
- 4942US2009287668A1Methods and apparatus for interactive document clusteringJUSTSYSTEMS EVANS RES INC·Filed 2008·Application pending·0 cites
- 5041US2008294426A1Method and apparatus for anchoring expressions based on an ontological model of semantic informationJUSTSYSTEMS EVANS RES INC·Filed 2007·Application pending·0 cites
Showing the top 50 of 58 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →