Search

David Z. Huang

Examiner (ID: 170, Phone: (571)270-5360 , Office: P/2856 )

Most Active Art Unit
2856
Art Unit(s)
2861, 2855, 2856
Total Applications
909
Issued Applications
715
Pending Applications
83
Abandoned Applications
135

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19035481 [patent_doc_number] => 20240085296 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => VISCOMETER AND METHODS FOR USING THE SAME [patent_app_type] => utility [patent_app_number] => 18/299003 [patent_app_country] => US [patent_app_date] => 2023-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15242 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 299 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18299003 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/299003
Viscometer and methods for using the same Apr 10, 2023 Issued
Array ( [id] => 18693849 [patent_doc_number] => 20230324249 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => SENSOR DEVICE FOR DETECTING A LEAKAGE [patent_app_type] => utility [patent_app_number] => 18/297458 [patent_app_country] => US [patent_app_date] => 2023-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9176 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18297458 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/297458
SENSOR DEVICE FOR DETECTING A LEAKAGE Apr 6, 2023 Pending
Array ( [id] => 18553163 [patent_doc_number] => 20230251175 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => DEVICES AND METHODS FOR MEASURING VISCOELASTIC CHANGES OF A SAMPLE [patent_app_type] => utility [patent_app_number] => 18/192544 [patent_app_country] => US [patent_app_date] => 2023-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25724 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [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] => 18192544 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/192544
Devices and methods for measuring viscoelastic changes of a sample Mar 28, 2023 Issued
Array ( [id] => 20086339 [patent_doc_number] => 20250216275 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-03 [patent_title] => FORCE SENSOR [patent_app_type] => utility [patent_app_number] => 18/850223 [patent_app_country] => US [patent_app_date] => 2023-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18850223 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/850223
FORCE SENSOR Mar 19, 2023 Pending
Array ( [id] => 20051088 [patent_doc_number] => 20250189310 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => Sensor Apparatus [patent_app_type] => utility [patent_app_number] => 18/845577 [patent_app_country] => US [patent_app_date] => 2023-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4510 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18845577 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/845577
Sensor Apparatus Mar 19, 2023 Pending
Array ( [id] => 20116814 [patent_doc_number] => 12366514 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-22 [patent_title] => Method of evaluating aerosol removal rate by steam condensation in steel containment [patent_app_type] => utility [patent_app_number] => 18/182264 [patent_app_country] => US [patent_app_date] => 2023-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 0 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 270 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18182264 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/182264
Method of evaluating aerosol removal rate by steam condensation in steel containment Mar 9, 2023 Issued
Array ( [id] => 18996986 [patent_doc_number] => 11913821 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-27 [patent_title] => LN2 fill gauge level indicating device [patent_app_type] => utility [patent_app_number] => 18/119187 [patent_app_country] => US [patent_app_date] => 2023-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7269 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18119187 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/119187
LN2 fill gauge level indicating device Mar 7, 2023 Issued
Array ( [id] => 20716306 [patent_doc_number] => 12631548 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-19 [patent_title] => Optical sensor system [patent_app_type] => utility [patent_app_number] => 18/180126 [patent_app_country] => US [patent_app_date] => 2023-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 991 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18180126 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/180126
Optical sensor system Mar 7, 2023 Issued
Array ( [id] => 18676633 [patent_doc_number] => 20230314261 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => Gas Monitoring System and Method(s) of Use [patent_app_type] => utility [patent_app_number] => 18/176788 [patent_app_country] => US [patent_app_date] => 2023-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8866 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18176788 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/176788
Gas monitoring system and method(s) of use Feb 28, 2023 Issued
Array ( [id] => 19419395 [patent_doc_number] => 20240295518 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => SYSTEMS AND METHODS FOR SENSING OF GASES USING A CONFIGURABLE DYNAMIC RANGE OF A SENSOR [patent_app_type] => utility [patent_app_number] => 18/116162 [patent_app_country] => US [patent_app_date] => 2023-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10172 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18116162 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/116162
SYSTEMS AND METHODS FOR SENSING OF GASES USING A CONFIGURABLE DYNAMIC RANGE OF A SENSOR Feb 28, 2023 Pending
Array ( [id] => 20439600 [patent_doc_number] => 12510433 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [patent_title] => Leak detection system including photo ionization detector [patent_app_type] => utility [patent_app_number] => 18/114561 [patent_app_country] => US [patent_app_date] => 2023-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18114561 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/114561
Leak detection system including photo ionization detector Feb 26, 2023 Issued
Array ( [id] => 18583946 [patent_doc_number] => 20230266207 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => Pneumatic Module for a Gas Analysis Device, Production Method and Computer Program Product [patent_app_type] => utility [patent_app_number] => 18/110963 [patent_app_country] => US [patent_app_date] => 2023-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7452 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18110963 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/110963
Pneumatic Module for a Gas Analysis Device, Production Method and Computer Program Product Feb 16, 2023 Pending
Array ( [id] => 20665768 [patent_doc_number] => 12607535 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-21 [patent_title] => Apparatus for detecting leakage of a gas and a method and a system thereof [patent_app_type] => utility [patent_app_number] => 18/168692 [patent_app_country] => US [patent_app_date] => 2023-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 848 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 317 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18168692 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/168692
Apparatus for detecting leakage of a gas and a method and a system thereof Feb 13, 2023 Issued
Array ( [id] => 19918281 [patent_doc_number] => 12293653 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-06 [patent_title] => Visual indication of tank level and performance [patent_app_type] => utility [patent_app_number] => 18/108508 [patent_app_country] => US [patent_app_date] => 2023-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 1228 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 263 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18108508 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/108508
Visual indication of tank level and performance Feb 9, 2023 Issued
Array ( [id] => 18650587 [patent_doc_number] => 20230296420 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-21 [patent_title] => Systems and Methods for Monitoring Contents in an Asset [patent_app_type] => utility [patent_app_number] => 18/105611 [patent_app_country] => US [patent_app_date] => 2023-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5458 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18105611 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/105611
Systems and Methods for Monitoring Contents in an Asset Feb 2, 2023 Pending
Array ( [id] => 20330802 [patent_doc_number] => 12461073 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => Detection system, control method, and detection device [patent_app_type] => utility [patent_app_number] => 18/162814 [patent_app_country] => US [patent_app_date] => 2023-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 20 [patent_no_of_words] => 3457 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18162814 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/162814
Detection system, control method, and detection device Jan 31, 2023 Issued
Array ( [id] => 18626972 [patent_doc_number] => 20230285784 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => RESPIRATORY PROTECTIVE DEVICE WITH CONTINUOUS FIT MONITORING [patent_app_type] => utility [patent_app_number] => 18/162312 [patent_app_country] => US [patent_app_date] => 2023-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15166 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18162312 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/162312
Respiratory protective device with continuous fit monitoring Jan 30, 2023 Issued
Array ( [id] => 20439809 [patent_doc_number] => 12510643 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [patent_title] => Ultrasonic diagnostic apparatus and probe inspection apparatus [patent_app_type] => utility [patent_app_number] => 18/160346 [patent_app_country] => US [patent_app_date] => 2023-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 18 [patent_no_of_words] => 1040 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18160346 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/160346
Ultrasonic diagnostic apparatus and probe inspection apparatus Jan 26, 2023 Issued
Array ( [id] => 20008783 [patent_doc_number] => 20250147005 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => INTESTINAL INFORMATION ESTIMATION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/832868 [patent_app_country] => US [patent_app_date] => 2023-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7897 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18832868 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/832868
INTESTINAL INFORMATION ESTIMATION SYSTEM Jan 19, 2023 Pending
Array ( [id] => 20635180 [patent_doc_number] => 12596051 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-07 [patent_title] => Auto test circuit using an intensifier [patent_app_type] => utility [patent_app_number] => 18/156715 [patent_app_country] => US [patent_app_date] => 2023-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 2412 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18156715 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/156715
Auto test circuit using an intensifier Jan 18, 2023 Issued
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