Amtech Systems, LLC

Patent Applications and Registrations

Patent applications and USPTO patent grants for Amtech Systems, LLC.The latest application filed is for "vehicle tracking system using smart-phone as active transponder".

Company Profile

21.90.41

Amtech Systems, LLC - Albuquerque NM

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Trademarks

Patent Activity

Patent	Date
RFID system with time slot interleaving Grant 11,450,203 - Gravelle , et al. September 20, 2	2022-09-20
Vehicle Tracking System Using Smart-phone As Active Transponder App 20220256323 - Gravelle; Kelly ; et al.	2022-08-11
Vehicle-based Electronic Toll System With Interface To Vehicle Display App 20220180668 - Gravelle; Kelly	2022-06-09
Vehicle tracking system using transponders Grant 11,341,345 - Gravelle , et al. May 24, 2	2022-05-24
Vehicle tracking system using smart-phone as active transponder Grant 11,323,865 - Gravelle , et al. May 3, 2	2022-05-03
Multi-protocol RFID system Grant 11,288,464 - Gravelle , et al. March 29, 2	2022-03-29
Vehicle-based electronic toll system with interface to vehicle display Grant 11,257,303 - Gravelle February 22, 2	2022-02-22
Vehicle Tracking System Using Smart-phone As Active Transponder App 20210306825 - Gravelle; Kelly ; et al.	2021-09-30
Vehicle tracking system using smart-phone as active transponder Grant 11,039,284 - Gravelle , et al. June 15, 2	2021-06-15
Vehicle-based Electronic Toll System With Interface To Vehicle Display App 20210125418 - Gravelle; Kelly	2021-04-29
Vehicle-based electronic toll system with interface to vehicle display Grant 10,896,552 - Gravelle January 19, 2	2021-01-19
Multi-protocol Rfid System App 20200364418 - Gravelle; Kelly ; et al.	2020-11-19
Vehicle Tracking System Using Smart-phone As Active Transponder App 20200336879 - Gravelle; Kelly ; et al.	2020-10-22
Vehicle tracking system using transponders Grant 10,769,392 - Gravelle , et al. Sep	2020-09-08
Multi-protocol RFID system Grant 10,733,393 - Gravelle , et al.	2020-08-04
Vehicle tracking system using smart-phone as active transponder Grant 10,708,745 - Gravelle , et al.	2020-07-07
Automatic mode detection in a dual operating mode RFID tag Grant 10,607,044 - Gravelle , et al.	2020-03-31
Multi-protocol Rfid System App 20200050804 - Gravelle; Kelly ; et al.	2020-02-13
Vehicle-based Electronic Toll System With Interface To Vehicle Display App 20200051343 - Gravelle; Kelly	2020-02-13
Vehicle-based electronic toll system with interface to vehicle display Grant 10,489,987 - Gravelle Nov	2019-11-26
Multi-protocol RFID system Grant 10,467,440 - Gravelle , et al. No	2019-11-05
Automatic Mode Detection In A Dual Operating Mode Rfid Tag App 20190332827 - Gravelle; Kelly ; et al.	2019-10-31
Rfid Vehicle Tag With Manually Adjustable Data Fields App 20190251758 - Gravelle; Kelly ; et al.	2019-08-15
Automatic mode detection in a dual operating mode RFID tag Grant 10,346,648 - Gravelle , et al. July 9, 2	2019-07-09
Rfid System With Time Slot Interleaving App 20190180611 - Gravelle; Kelly ; et al.	2019-06-13
System and method for estimating range to an RFID tag Grant 10,302,756 - Melville , et al.	2019-05-28
RFID vehicle tag with manually adjustable data fields Grant 10,275,949 - Gravelle , et al.	2019-04-30
Vehicle-based Electronic Toll System With Interface To Vehicle Display App 20190057556 - Gravelle; Kelly	2019-02-21
RFID system with time slot interleaving Grant 10,210,752 - Gravelle , et al. Feb	2019-02-19
Vehicle Tracking System Using Smart-phone As Active Transponder App 20190019362 - Gravelle; Kelly ; et al.	2019-01-17
Multi-protocol Rfid System App 20180373905 - Gravelle; Kelly ; et al.	2018-12-27
Vehicle tracking system using smart-phone as active transponder Grant 10,134,210 - Gravelle , et al. November 20, 2	2018-11-20
Vehicle-based electronic toll system with interface to vehicle display Grant 10,121,289 - Gravelle November 6, 2	2018-11-06
Automatic Mode Detection In A Dual Operating Mode Rfid Tag App 20180293413 - Gravelle; Kelly ; et al.	2018-10-11
Multi-protocol RFID system Grant 10,083,329 - Gravelle , et al. September 25, 2	2018-09-25
Automatic mode detection in a dual operating mode RFID tag Grant 9,996,715 - Gravelle , et al. June 12, 2	2018-06-12
System And Method For Estimating Range To An Rfid Tag App 20180100919 - Melville; Michael George ; et al.	2018-04-12
Multi-protocol Rfid System App 20180032766 - Gravelle; Kelly ; et al.	2018-02-01
System and method for estimating range to an RFID tag Grant 9,841,500 - Melville , et al. December 12, 2	2017-12-12
Multi-protocol RFID system Grant 9,785,804 - Gravelle , et al. October 10, 2	2017-10-10
Rfid System With Time Slot Interleaving App 20170186312 - Gravelle; Kelly ; et al.	2017-06-29
Automatic Mode Detection In A Dual Operating Mode Rfid Tag App 20170177910 - Gravelle; Kelly ; et al.	2017-06-22
RFID mutual authentication verification session Grant RE46,447 - Gravelle , et al. June 20, 2	2017-06-20
RFID system with time slot interleaving Grant 9,633,238 - Gravelle , et al. April 25, 2	2017-04-25
Automatic mode detection in a dual operating mode RFID tag Grant 9,607,190 - Gravelle , et al. March 28, 2	2017-03-28
Intermodulation mitigation technique in an RFID system Grant 9,558,383 - Tiernay January 31, 2	2017-01-31
Multi-protocol Rfid System App 20160321476 - GRAVELLE; Kelly ; et al.	2016-11-03
Automatic Mode Detection In A Dual Operating Mode Rfid Tag App 20160253532 - Gravelle; Kelly ; et al.	2016-09-01
System and method for synchronizing RFID readers utilizing RF or modulation signals Grant 9,396,367 - Melville , et al. July 19, 2	2016-07-19
System And Method For Estimating Range To An Rfid Tag App 20160187478 - Melville; Michael George ; et al.	2016-06-30
Rfid Vehicle Tag With Manually Adjustable Data Fields App 20160180603 - Gravelle; Kelly ; et al.	2016-06-23
Multi-protocol RFID system Grant 9,361,492 - Gravelle , et al. June 7, 2	2016-06-07
System and method for estimating range to an RFID tag Grant 9,316,728 - Melville , et al. April 19, 2	2016-04-19
Automatic mode detection in a dual operating mode RFID tag Grant 9,313,559 - Gravelle , et al. April 12, 2	2016-04-12
RFID vehicle tag with manually adjustable data fields Grant 9,305,404 - Gravelle , et al. April 5, 2	2016-04-05
Multi-protocol RFID system Grant 9,262,656 - Gravelle , et al. February 16, 2	2016-02-16
Multi-protocol Rfid System App 20160004893 - GRAVELLE; Kelly ; et al.	2016-01-07
System And Method For Microwave Ranging To A Target In Presence Of Clutter And Multi-path Effects App 20150293217 - Gravelle; Kelly ; et al.	2015-10-15
Multi-protocol or multi command RFID system Grant 9,135,480 - Gravelle , et al. September 15, 2	2015-09-15
System and method for estimating range to an RFID tag Grant 9,081,088 - Melville , et al. July 14, 2	2015-07-14
Multi-protocol Rfid System App 20150161422 - GRAVELLE; Kelly ; et al.	2015-06-11
Rfid System With Time Slot Interleaving App 20150109108 - Gravelle; Kelly ; et al.	2015-04-23
Multi-protocol Electronic Tolling System for Nation-wide Use App 20150081403 - Gravelle; Kelly ; et al.	2015-03-19
RFID system with time slot interleaving Grant 8,928,462 - Gravelle , et al. January 6, 2	2015-01-06
Intermodulation Mitigation Technique In An Rfid System App 20140347167 - TIERNAY; Robert W.	2014-11-27
Rfid Vehicle Tag With Manually Adjustable Data Fields App 20140351027 - Gravelle; Kelly ; et al.	2014-11-27
Apparatus For Infrastructure-free Roadway Tolling App 20140310074 - Gravelle; Kelly	2014-10-16
RFID vehicle tag with manually adjustable data fields Grant 8,836,511 - Gravelle , et al. September 16, 2	2014-09-16
Intermodulation mitigation technique in an RFID system Grant 8,810,403 - Tiernay August 19, 2	2014-08-19
System And Method For Synchronizing Rfid Readers Utilizing Rf Or Modulation Signals App 20140218175 - Melville; Michael George ; et al.	2014-08-07
System and method for microwave ranging to a target in presence of clutter and multi-path effects Grant 8,786,488 - Gravelle , et al. July 22, 2	2014-07-22
System and method for microwave ranging to a target in presence of clutter and multi-path effects Grant 8,779,968 - Gravelle , et al. July 15, 2	2014-07-15
System and method for automated HOV lane toll collection Grant 8,770,472 - Gravelle , et al. July 8, 2	2014-07-08
Automatic Mode Detection In A Dual Operating Mode Rfid Tag App 20140167925 - Gravelle; Kelly ; et al.	2014-06-19
System and method for microwave ranging to a target in presence of clutter and multi-path effects Grant 8,742,975 - Gravelle , et al. June 3, 2	2014-06-03
System And Method For In Vehicle Lane Determination Using Cmos Image Sensor App 20140002652 - Gonzales; Michael ; et al.	2014-01-02
Automatic mode detection in a dual operating mode RFID tag Grant 08618916 -	2013-12-31
Automatic mode detection in a dual operating mode RFID tag Grant 8,618,916 - Gravelle , et al. December 31, 2	2013-12-31
RFID tag with occupancy status recall Grant 8,514,080 - Gravelle , et al. August 20, 2	2013-08-20
Secondary data channels in RFID systems Grant 8,432,255 - Landt , et al. April 30, 2	2013-04-30
Multi-protocol RFID system using bit-lock or step-lock synchronization Grant 8,427,279 - Gravelle , et al. April 23, 2	2013-04-23
Rfid Vehicle Tag With Manually Adjustable Data Fields App 20130080216 - Gravelle; Kelly ; et al.	2013-03-28
Method and apparatus for testing RFID tags for mass production Grant 8,392,137 - Youn March 5, 2	2013-03-05
RFID vehicle tag with manually adjustable data fields Grant 8,344,886 - Gravelle , et al. January 1, 2	2013-01-01
Automatic Mode Detection In A Dual Operating Mode Rfid Tag App 20120306627 - Gravelle; Kelly ; et al.	2012-12-06
Rfid System With Time Slot Interleaving App 20120280796 - Gravelle; Kelly ; et al.	2012-11-08
RFID tag with piezoelectric sensor for power and input data Grant 8,279,048 - Gravelle , et al. October 2, 2	2012-10-02
System And Method For Gps Lane And Toll Determination And Asset Position Matching App 20120215594 - Gravelle; Kelly	2012-08-23
Multi-protocol RFID system using dynamic reconfiguration Grant 8,242,890 - Gravelle , et al. August 14, 2	2012-08-14
Intermodulation mitigation technique in an RFID system Grant 8,237,565 - Tiernay August 7, 2	2012-08-07
RFID tag with integrated disabling and method of use Grant 8,228,199 - Noakes , et al. July 24, 2	2012-07-24
Automatic mode detection in a dual operating mode RFID tag Grant 8,198,985 - Tiernay , et al. June 12, 2	2012-06-12
System and method for measurement of distance to a tag by a modulated backscatter RFID reader Grant 8,188,908 - Landt May 29, 2	2012-05-29
RFID mutual authentication verification session Grant 8,154,405 - Gravelle , et al. April 10, 2	2012-04-10