Search

Keath T. Chen

Examiner (ID: 18782, Phone: (571)270-1870 , Office: P/1716 )

Most Active Art Unit
1716
Art Unit(s)
1712, 1762, 1716, 1792
Total Applications
1382
Issued Applications
432
Pending Applications
129
Abandoned Applications
846

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 13402313 [patent_doc_number] => 20180252699 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-06 [patent_title] => BREATHALYZER METROLOGICAL BENCH [patent_app_type] => utility [patent_app_number] => 15/718906 [patent_app_country] => US [patent_app_date] => 2017-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3123 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15718906 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/718906
BREATHALYZER METROLOGICAL BENCH Sep 27, 2017 Abandoned
Array ( [id] => 12588777 [patent_doc_number] => 20180088088 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-29 [patent_title] => GAS SENSOR AND GAS DETECTION METHOD [patent_app_type] => utility [patent_app_number] => 15/710617 [patent_app_country] => US [patent_app_date] => 2017-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8946 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15710617 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/710617
GAS SENSOR AND GAS DETECTION METHOD Sep 19, 2017 Abandoned
Array ( [id] => 17650711 [patent_doc_number] => 11353434 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-07 [patent_title] => Molecular detection apparatus and molecular detection method [patent_app_type] => utility [patent_app_number] => 15/706216 [patent_app_country] => US [patent_app_date] => 2017-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 8450 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 349 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15706216 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/706216
Molecular detection apparatus and molecular detection method Sep 14, 2017 Issued
Array ( [id] => 12549381 [patent_doc_number] => 10012673 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-07-03 [patent_title] => Compensation and calibration of multiple mass MEMS sensor [patent_app_type] => utility [patent_app_number] => 15/705307 [patent_app_country] => US [patent_app_date] => 2017-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 13383 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15705307 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/705307
Compensation and calibration of multiple mass MEMS sensor Sep 14, 2017 Issued
Array ( [id] => 12825643 [patent_doc_number] => 20180167053 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-14 [patent_title] => VIBRATION DEVICE [patent_app_type] => utility [patent_app_number] => 15/705202 [patent_app_country] => US [patent_app_date] => 2017-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13060 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15705202 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/705202
Vibration device Sep 13, 2017 Issued
Array ( [id] => 13446761 [patent_doc_number] => 20180274923 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-27 [patent_title] => GYRO SENSOR SYSTEM [patent_app_type] => utility [patent_app_number] => 15/705229 [patent_app_country] => US [patent_app_date] => 2017-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10022 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15705229 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/705229
Gyro sensor system Sep 13, 2017 Issued
Array ( [id] => 17743626 [patent_doc_number] => 11391685 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-19 [patent_title] => Sensitive device and method of forming the same [patent_app_type] => utility [patent_app_number] => 15/702747 [patent_app_country] => US [patent_app_date] => 2017-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3163 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15702747 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/702747
Sensitive device and method of forming the same Sep 11, 2017 Issued
Array ( [id] => 17905384 [patent_doc_number] => 11459226 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-04 [patent_title] => Semiconductor device and semiconductor device manufacturing method [patent_app_type] => utility [patent_app_number] => 15/700203 [patent_app_country] => US [patent_app_date] => 2017-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 4066 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15700203 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/700203
Semiconductor device and semiconductor device manufacturing method Sep 10, 2017 Issued
Array ( [id] => 13795441 [patent_doc_number] => 20190011259 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-10 [patent_title] => MEMS DEVICE [patent_app_type] => utility [patent_app_number] => 15/690443 [patent_app_country] => US [patent_app_date] => 2017-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4682 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15690443 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/690443
MEMS DEVICE Aug 29, 2017 Abandoned
Array ( [id] => 13960027 [patent_doc_number] => 20190056357 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-21 [patent_title] => FLUID AERATION SENSOR AND METHOD OF OPERATING THE SAME [patent_app_type] => utility [patent_app_number] => 15/682038 [patent_app_country] => US [patent_app_date] => 2017-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2882 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15682038 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/682038
FLUID AERATION SENSOR AND METHOD OF OPERATING THE SAME Aug 20, 2017 Abandoned
Array ( [id] => 12888544 [patent_doc_number] => 20180188023 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-05 [patent_title] => APPARATUSES AND METHODS FOR MEASURING A CLEARANCE [patent_app_type] => utility [patent_app_number] => 15/679698 [patent_app_country] => US [patent_app_date] => 2017-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4375 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15679698 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/679698
Apparatuses and methods for measuring a clearance Aug 16, 2017 Issued
Array ( [id] => 13959993 [patent_doc_number] => 20190056340 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-21 [patent_title] => PARTICULATE MATTER DETECTION SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 15/678194 [patent_app_country] => US [patent_app_date] => 2017-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11109 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15678194 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/678194
Particulate matter detection system and method Aug 15, 2017 Issued
Array ( [id] => 13931933 [patent_doc_number] => 20190049482 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-14 [patent_title] => DIFFERENTIAL Z-AXIS RESONANT MEMS ACCELEROMETERS AND RELATED METHODS [patent_app_type] => utility [patent_app_number] => 15/674410 [patent_app_country] => US [patent_app_date] => 2017-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5735 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15674410 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/674410
DIFFERENTIAL Z-AXIS RESONANT MEMS ACCELEROMETERS AND RELATED METHODS Aug 9, 2017 Abandoned
Array ( [id] => 12186578 [patent_doc_number] => 20180045515 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-02-15 [patent_title] => 'MICROMECHANICAL SENSOR CORE FOR AN INERTIAL SENSOR' [patent_app_type] => utility [patent_app_number] => 15/671235 [patent_app_country] => US [patent_app_date] => 2017-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2533 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15671235 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/671235
MICROMECHANICAL SENSOR CORE FOR AN INERTIAL SENSOR Aug 7, 2017 Abandoned
Array ( [id] => 13843143 [patent_doc_number] => 20190025056 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-24 [patent_title] => ELECTROSTATIC OFFSET CORRECTION [patent_app_type] => utility [patent_app_number] => 15/657054 [patent_app_country] => US [patent_app_date] => 2017-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8489 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15657054 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/657054
ELECTROSTATIC OFFSET CORRECTION Jul 20, 2017 Abandoned
Array ( [id] => 15074277 [patent_doc_number] => 10466626 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-11-05 [patent_title] => Sheet supplying apparatus, sheet processing apparatus employing the same, and image forming apparatus [patent_app_type] => utility [patent_app_number] => 15/641711 [patent_app_country] => US [patent_app_date] => 2017-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 27 [patent_no_of_words] => 9701 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 292 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15641711 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/641711
Sheet supplying apparatus, sheet processing apparatus employing the same, and image forming apparatus Jul 4, 2017 Issued
Array ( [id] => 12663445 [patent_doc_number] => 20180112981 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-04-26 [patent_title] => FREQUENCY MODULATION MEMS TRIAXIAL GYROSCOPE [patent_app_type] => utility [patent_app_number] => 15/639608 [patent_app_country] => US [patent_app_date] => 2017-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6436 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15639608 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/639608
Frequency modulation MEMS triaxial gyroscope Jun 29, 2017 Issued
Array ( [id] => 12130320 [patent_doc_number] => 20180013906 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-11 [patent_title] => 'IMAGE FORMING APPARATUS' [patent_app_type] => utility [patent_app_number] => 15/637005 [patent_app_country] => US [patent_app_date] => 2017-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 13232 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15637005 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/637005
Image forming apparatus Jun 28, 2017 Issued
Array ( [id] => 12119917 [patent_doc_number] => 20180003503 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-04 [patent_title] => 'Damping of a Sensor' [patent_app_type] => utility [patent_app_number] => 15/638007 [patent_app_country] => US [patent_app_date] => 2017-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4842 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15638007 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/638007
Damping of a Sensor Jun 28, 2017 Abandoned
Array ( [id] => 11997108 [patent_doc_number] => 20170301264 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-19 [patent_title] => 'THREE-DIMENSIONALLY PRINTED INTERNAL FLESH AND ORGANS FOR CRASH TEST DUMMY' [patent_app_type] => utility [patent_app_number] => 15/636388 [patent_app_country] => US [patent_app_date] => 2017-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3881 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15636388 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/636388
THREE-DIMENSIONALLY PRINTED INTERNAL FLESH AND ORGANS FOR CRASH TEST DUMMY Jun 27, 2017 Abandoned
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