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] => 12127854 [patent_doc_number] => 20180011439 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-11 [patent_title] => 'IMAGE FORMING APPARATUS' [patent_app_type] => utility [patent_app_number] => 15/635603 [patent_app_country] => US [patent_app_date] => 2017-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 15950 [patent_no_of_claims] => 13 [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] => 15635603 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/635603
IMAGE FORMING APPARATUS Jun 27, 2017 Abandoned
Array ( [id] => 11997107 [patent_doc_number] => 20170301262 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-19 [patent_title] => 'THREE-DIMENSIONAL COMPONENTS AND METHOD OF THREE-DIMENSIONAL PRINTING OF COMPONENTS FOR CRASH TEST DUMMY' [patent_app_type] => utility [patent_app_number] => 15/636364 [patent_app_country] => US [patent_app_date] => 2017-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 4168 [patent_no_of_claims] => 27 [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] => 15636364 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/636364
THREE-DIMENSIONAL COMPONENTS AND METHOD OF THREE-DIMENSIONAL PRINTING OF COMPONENTS FOR CRASH TEST DUMMY Jun 27, 2017 Abandoned
Array ( [id] => 12160333 [patent_doc_number] => 20180031599 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-02-01 [patent_title] => 'OPTICALLY ENABLED MICRO-DISK INERTIA SENSOR' [patent_app_type] => utility [patent_app_number] => 15/633886 [patent_app_country] => US [patent_app_date] => 2017-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4594 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 15633886 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/633886
OPTICALLY ENABLED MICRO-DISK INERTIA SENSOR Jun 26, 2017 Abandoned
Array ( [id] => 17179222 [patent_doc_number] => 11156459 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-26 [patent_title] => Microelectromechanical or/and nanoelectromechanical device with out-of-plane displacement having capacitive elements having a variable surface [patent_app_type] => utility [patent_app_number] => 15/625314 [patent_app_country] => US [patent_app_date] => 2017-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 54 [patent_no_of_words] => 12536 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 462 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15625314 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/625314
Microelectromechanical or/and nanoelectromechanical device with out-of-plane displacement having capacitive elements having a variable surface Jun 15, 2017 Issued
Array ( [id] => 13705101 [patent_doc_number] => 20170363505 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-12-21 [patent_title] => APPARATUS AND METHOD FOR PHYSICAL LOAD TESTING [patent_app_type] => utility [patent_app_number] => 15/622421 [patent_app_country] => US [patent_app_date] => 2017-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4885 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -36 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15622421 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/622421
APPARATUS AND METHOD FOR PHYSICAL LOAD TESTING Jun 13, 2017 Abandoned
Array ( [id] => 13495455 [patent_doc_number] => 20180299270 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-18 [patent_title] => MEMS DEVICE [patent_app_type] => utility [patent_app_number] => 15/596857 [patent_app_country] => US [patent_app_date] => 2017-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2761 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15596857 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/596857
MEMS DEVICE May 15, 2017 Abandoned
Array ( [id] => 13374771 [patent_doc_number] => 20180238927 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-23 [patent_title] => ELECTRODE LAYER PARTITIONING [patent_app_type] => utility [patent_app_number] => 15/586497 [patent_app_country] => US [patent_app_date] => 2017-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11448 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15586497 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/586497
Electrode layer partitioning May 3, 2017 Issued
Array ( [id] => 13359101 [patent_doc_number] => 20180231090 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-16 [patent_title] => SYSTEMS AND METHODS FOR A TUNED MASS DAMPER IN MEMS RESONATORS [patent_app_type] => utility [patent_app_number] => 15/466774 [patent_app_country] => US [patent_app_date] => 2017-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3324 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15466774 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/466774
SYSTEMS AND METHODS FOR A TUNED MASS DAMPER IN MEMS RESONATORS Mar 21, 2017 Abandoned
Array ( [id] => 13430561 [patent_doc_number] => 20180266823 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-20 [patent_title] => MEMS OUT OF PLANE ACTUATOR [patent_app_type] => utility [patent_app_number] => 15/459293 [patent_app_country] => US [patent_app_date] => 2017-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6215 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15459293 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/459293
MEMS out of plane actuator Mar 14, 2017 Issued
Array ( [id] => 11852901 [patent_doc_number] => 20170227393 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-10 [patent_title] => 'MEASURING SENSOR, IN PARTICULAR OF A LEVEL OF A LIQUID, AND INTERNAL COMBUSTION ENGINE COMPRISING SAID SENSOR' [patent_app_type] => utility [patent_app_number] => 15/423853 [patent_app_country] => US [patent_app_date] => 2017-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2029 [patent_no_of_claims] => 11 [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] => 15423853 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/423853
MEASURING SENSOR, IN PARTICULAR OF A LEVEL OF A LIQUID, AND INTERNAL COMBUSTION ENGINE COMPRISING SAID SENSOR Feb 2, 2017 Abandoned
Array ( [id] => 11837753 [patent_doc_number] => 20170219471 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-03 [patent_title] => 'Evaluating Railway Ties' [patent_app_type] => utility [patent_app_number] => 15/408995 [patent_app_country] => US [patent_app_date] => 2017-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 9163 [patent_no_of_claims] => 28 [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] => 15408995 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/408995
Evaluating Railway Ties Jan 17, 2017 Abandoned
Array ( [id] => 13302725 [patent_doc_number] => 20180202899 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-19 [patent_title] => System and method for measuring cleanliness of an engine cylinder block [patent_app_type] => utility [patent_app_number] => 15/407631 [patent_app_country] => US [patent_app_date] => 2017-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4141 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15407631 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/407631
System and method for measuring cleanliness of an engine cylinder block Jan 16, 2017 Abandoned
Array ( [id] => 13524369 [patent_doc_number] => 20180313727 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-01 [patent_title] => TEST APPARATUS AND METHOD FOR DETERMINING TIME-DEPENDENCE FAILURE UNDER CONSTANT TEMPERATURE THROUGH HIGH PRESSURE TRUE TRIAXIAL LOADING FOR HARD ROCK [patent_app_type] => utility [patent_app_number] => 15/563358 [patent_app_country] => US [patent_app_date] => 2017-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5133 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15563358 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/563358
Test apparatus and method for determining time-dependence failure under constant temperature through high pressure true triaxial loading for hard rock Jan 16, 2017 Issued
Array ( [id] => 14730185 [patent_doc_number] => 10384479 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-08-20 [patent_title] => Printer with tensioning guide unit [patent_app_type] => utility [patent_app_number] => 15/405677 [patent_app_country] => US [patent_app_date] => 2017-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 47 [patent_figures_cnt] => 60 [patent_no_of_words] => 10968 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 449 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15405677 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/405677
Printer with tensioning guide unit Jan 12, 2017 Issued
Array ( [id] => 15608115 [patent_doc_number] => 10585111 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-03-10 [patent_title] => 3-axis angular accelerometer [patent_app_type] => utility [patent_app_number] => 15/400109 [patent_app_country] => US [patent_app_date] => 2017-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 40 [patent_no_of_words] => 28948 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15400109 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/400109
3-axis angular accelerometer Jan 5, 2017 Issued
Array ( [id] => 11745145 [patent_doc_number] => 20170199217 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-07-13 [patent_title] => 'ELECTRONIC DEVICE, METHOD FOR MANUFACTURING ELECTRONIC DEVICE, AND PHYSICAL-QUANTITY SENSOR' [patent_app_type] => utility [patent_app_number] => 15/393457 [patent_app_country] => US [patent_app_date] => 2016-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 17736 [patent_no_of_claims] => 16 [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] => 15393457 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/393457
ELECTRONIC DEVICE, METHOD FOR MANUFACTURING ELECTRONIC DEVICE, AND PHYSICAL-QUANTITY SENSOR Dec 28, 2016 Abandoned
Array ( [id] => 11569766 [patent_doc_number] => 20170108410 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-04-20 [patent_title] => 'METHOD AND APPARATUS FOR REDUCING SHOULDER WEAR ON TESTING WHEEL' [patent_app_type] => utility [patent_app_number] => 15/394062 [patent_app_country] => US [patent_app_date] => 2016-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6769 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [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] => 15394062 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/394062
METHOD AND APPARATUS FOR REDUCING SHOULDER WEAR ON TESTING WHEEL Dec 28, 2016 Abandoned
Array ( [id] => 12794395 [patent_doc_number] => 20180156634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-07 [patent_title] => DUAL-VIBRATORY PATTERN RESONATOR GYROSCOPE [patent_app_type] => utility [patent_app_number] => 15/368206 [patent_app_country] => US [patent_app_date] => 2016-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4993 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15368206 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/368206
DUAL-VIBRATORY PATTERN RESONATOR GYROSCOPE Dec 1, 2016 Abandoned
Array ( [id] => 15135195 [patent_doc_number] => 10481057 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-11-19 [patent_title] => Mechanical testing equipment for material characterization [patent_app_type] => utility [patent_app_number] => 15/366921 [patent_app_country] => US [patent_app_date] => 2016-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 5179 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15366921 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/366921
Mechanical testing equipment for material characterization Nov 30, 2016 Issued
Array ( [id] => 12773512 [patent_doc_number] => 20180149672 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-31 [patent_title] => INTENSITY MODULATED FIBER OPTIC ACCELEROMETERS AND SENSOR SYSTEM [patent_app_type] => utility [patent_app_number] => 15/365340 [patent_app_country] => US [patent_app_date] => 2016-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7711 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15365340 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/365340
INTENSITY MODULATED FIBER OPTIC ACCELEROMETERS AND SENSOR SYSTEM Nov 29, 2016 Abandoned
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