Search

David Patrick Angwin

Supervisory Patent Examiner (ID: 11330, Phone: (571)270-3735 , Office: P/3742 )

Most Active Art Unit
3729
Art Unit(s)
3729, 4155, 3754, 3742
Total Applications
545
Issued Applications
366
Pending Applications
15
Abandoned Applications
170

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 9860646 [patent_doc_number] => 20150040663 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-02-12 [patent_title] => 'VIBRATORY RING STRUCTURE' [patent_app_type] => utility [patent_app_number] => 14/386477 [patent_app_country] => US [patent_app_date] => 2013-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4209 [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] => 14386477 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/386477
Vibratory ring structure Mar 12, 2013 Issued
Array ( [id] => 9724891 [patent_doc_number] => 20140260593 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-18 [patent_title] => 'SYSTEM FOR ACQUIRING AND REPORTING AIR FLOW CONDITIONS' [patent_app_type] => utility [patent_app_number] => 13/800600 [patent_app_country] => US [patent_app_date] => 2013-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3516 [patent_no_of_claims] => 20 [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] => 13800600 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/800600
SYSTEM FOR ACQUIRING AND REPORTING AIR FLOW CONDITIONS Mar 12, 2013
Array ( [id] => 9494363 [patent_doc_number] => 08733172 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-05-27 [patent_title] => 'Microelectromechanical gyroscope with rotary driving motion and improved electrical properties' [patent_app_type] => utility [patent_app_number] => 13/789476 [patent_app_country] => US [patent_app_date] => 2013-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7352 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13789476 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/789476
Microelectromechanical gyroscope with rotary driving motion and improved electrical properties Mar 6, 2013 Issued
Array ( [id] => 9674667 [patent_doc_number] => 08813565 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-08-26 [patent_title] => 'Reading circuit for MEMS gyroscope having inclined detection directions' [patent_app_type] => utility [patent_app_number] => 13/789496 [patent_app_country] => US [patent_app_date] => 2013-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 8534 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13789496 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/789496
Reading circuit for MEMS gyroscope having inclined detection directions Mar 6, 2013 Issued
Array ( [id] => 9715312 [patent_doc_number] => 20140251011 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-11 [patent_title] => 'Tilt Mode Accelerometer with improved Offset and Noise Performance' [patent_app_type] => utility [patent_app_number] => 13/785624 [patent_app_country] => US [patent_app_date] => 2013-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4512 [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] => 13785624 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/785624
Tilt mode accelerometer with improved offset and noise performance Mar 4, 2013 Issued
Array ( [id] => 9084303 [patent_doc_number] => 08555718 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-10-15 [patent_title] => 'Piezoelectric transducers' [patent_app_type] => utility [patent_app_number] => 13/775849 [patent_app_country] => US [patent_app_date] => 2013-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 23 [patent_no_of_words] => 8187 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13775849 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/775849
Piezoelectric transducers Feb 24, 2013 Issued
Array ( [id] => 9072350 [patent_doc_number] => 08549918 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-10-08 [patent_title] => 'Inertial sensors using piezoelectric transducers' [patent_app_type] => utility [patent_app_number] => 13/775856 [patent_app_country] => US [patent_app_date] => 2013-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 23 [patent_no_of_words] => 8184 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13775856 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/775856
Inertial sensors using piezoelectric transducers Feb 24, 2013 Issued
Array ( [id] => 9333404 [patent_doc_number] => 20140060186 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-03-06 [patent_title] => 'Detection and Mitigation of Aerodynamic Error Sources for Micromachined Inertial Sensors' [patent_app_type] => utility [patent_app_number] => 13/774129 [patent_app_country] => US [patent_app_date] => 2013-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 8423 [patent_no_of_claims] => 21 [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] => 13774129 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/774129
Detection and mitigation of aerodynamic error sources for micromachined inertial sensors Feb 21, 2013 Issued
Array ( [id] => 9666686 [patent_doc_number] => 20140230549 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-21 [patent_title] => 'SPRING SYSTEM FOR MEMS DEVICE' [patent_app_type] => utility [patent_app_number] => 13/770224 [patent_app_country] => US [patent_app_date] => 2013-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3798 [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] => 13770224 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/770224
SPRING SYSTEM FOR MEMS DEVICE Feb 18, 2013 Abandoned
Array ( [id] => 10177052 [patent_doc_number] => 09207254 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-12-08 [patent_title] => 'Accelerometer with low sensitivity to thermo-mechanical stress' [patent_app_type] => utility [patent_app_number] => 13/770726 [patent_app_country] => US [patent_app_date] => 2013-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3916 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13770726 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/770726
Accelerometer with low sensitivity to thermo-mechanical stress Feb 18, 2013 Issued
Array ( [id] => 8972468 [patent_doc_number] => 20130205898 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-15 [patent_title] => 'VIBRATOR ELEMENT, SENSOR UNIT, AND ELECTRONIC DEVICE' [patent_app_type] => utility [patent_app_number] => 13/765224 [patent_app_country] => US [patent_app_date] => 2013-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 20197 [patent_no_of_claims] => 16 [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] => 13765224 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/765224
Vibrator element, sensor unit, and electronic device Feb 11, 2013 Issued
Array ( [id] => 9653016 [patent_doc_number] => 20140224020 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-14 [patent_title] => 'Hydroshock Inspection System' [patent_app_type] => utility [patent_app_number] => 13/762763 [patent_app_country] => US [patent_app_date] => 2013-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7114 [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] => 13762763 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/762763
Hydroshock inspection system Feb 7, 2013 Issued
Array ( [id] => 9639819 [patent_doc_number] => 20140217929 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-07 [patent_title] => 'STICTION RESISTANT MEMS DEVICE AND METHOD OF OPERATION' [patent_app_type] => utility [patent_app_number] => 13/760465 [patent_app_country] => US [patent_app_date] => 2013-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5683 [patent_no_of_claims] => 20 [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] => 13760465 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/760465
Stiction resistant mems device and method of operation Feb 5, 2013 Issued
Array ( [id] => 9144147 [patent_doc_number] => 20130298670 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-11-14 [patent_title] => 'VIBRATION GYRO HAVING BIAS CORRECTING FUNCTION' [patent_app_type] => utility [patent_app_number] => 13/759929 [patent_app_country] => US [patent_app_date] => 2013-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 11230 [patent_no_of_claims] => 6 [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] => 13759929 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/759929
Vibration gyro having bias correcting function Feb 4, 2013 Issued
Array ( [id] => 9630743 [patent_doc_number] => 20140208850 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-31 [patent_title] => 'APPARATUS AND METHOD OF DETECTING A DEFECT OF A SEMICONDUCTOR DEVICE' [patent_app_type] => utility [patent_app_number] => 13/753111 [patent_app_country] => US [patent_app_date] => 2013-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 13722 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 5 [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] => 13753111 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/753111
APPARATUS AND METHOD OF DETECTING A DEFECT OF A SEMICONDUCTOR DEVICE Jan 28, 2013 Abandoned
Array ( [id] => 10549516 [patent_doc_number] => 09274136 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-03-01 [patent_title] => 'Multi-axis chip-scale MEMS inertial measurement unit (IMU) based on frequency modulation' [patent_app_type] => utility [patent_app_number] => 13/752044 [patent_app_country] => US [patent_app_date] => 2013-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 16 [patent_no_of_words] => 6332 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13752044 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/752044
Multi-axis chip-scale MEMS inertial measurement unit (IMU) based on frequency modulation Jan 27, 2013 Issued
Array ( [id] => 8946588 [patent_doc_number] => 20130192367 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-01 [patent_title] => 'VIBRATOR ELEMENT, VIBRATING DEVICE, PHYSICAL QUANTITY DETECTING DEVICE, AND ELECTRONIC APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/750033 [patent_app_country] => US [patent_app_date] => 2013-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 15211 [patent_no_of_claims] => 20 [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] => 13750033 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/750033
VIBRATOR ELEMENT, VIBRATING DEVICE, PHYSICAL QUANTITY DETECTING DEVICE, AND ELECTRONIC APPARATUS Jan 24, 2013 Abandoned
Array ( [id] => 10500491 [patent_doc_number] => 09228888 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-01-05 [patent_title] => 'Sensor positioning with non-dispersive guided waves for pipeline corrosion monitoring' [patent_app_type] => utility [patent_app_number] => 13/747522 [patent_app_country] => US [patent_app_date] => 2013-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6169 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13747522 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/747522
Sensor positioning with non-dispersive guided waves for pipeline corrosion monitoring Jan 22, 2013 Issued
Array ( [id] => 10957243 [patent_doc_number] => 20140360265 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-12-11 [patent_title] => 'VIBRATION ANGULAR VELOCITY SENSOR' [patent_app_type] => utility [patent_app_number] => 14/366290 [patent_app_country] => US [patent_app_date] => 2012-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6116 [patent_no_of_claims] => 7 [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] => 14366290 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/366290
Vibration angular velocity sensor Dec 19, 2012 Issued
Array ( [id] => 11723433 [patent_doc_number] => 09696282 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-07-04 [patent_title] => 'Method for measuring elastic properties using ultrasound' [patent_app_type] => utility [patent_app_number] => 14/365188 [patent_app_country] => US [patent_app_date] => 2012-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 2478 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 353 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14365188 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/365188
Method for measuring elastic properties using ultrasound Dec 18, 2012 Issued
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