Search

David Z. Huang

Examiner (ID: 13357, Phone: (571)270-5360 , Office: P/2856 )

Most Active Art Unit
2856
Art Unit(s)
2861, 2856, 2855
Total Applications
893
Issued Applications
705
Pending Applications
78
Abandoned Applications
135

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18818821 [patent_doc_number] => 20230393161 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => SYSTEM AND METHOD FOR CHARACTERIZING, MONITORING, & DETECTING BIOAEROSOL PRESENCE & MOVEMENT IN AN INDOOR ENVIRONMENT [patent_app_type] => utility [patent_app_number] => 18/214442 [patent_app_country] => US [patent_app_date] => 2023-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 29570 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18214442 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/214442
SYSTEM AND METHOD FOR CHARACTERIZING, MONITORING, & DETECTING BIOAEROSOL PRESENCE & MOVEMENT IN AN INDOOR ENVIRONMENT Jun 25, 2023 Pending
Array ( [id] => 19616350 [patent_doc_number] => 20240402030 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => FUNCTION VERIFICATION METHOD OF LIQUID LEAKAGE DETECTION MODULE [patent_app_type] => utility [patent_app_number] => 18/209999 [patent_app_country] => US [patent_app_date] => 2023-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4434 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18209999 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/209999
Function verification method of liquid leakage detection module Jun 13, 2023 Issued
Array ( [id] => 19227670 [patent_doc_number] => 12007304 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-11 [patent_title] => Devices and methods for pipeline leakage detection [patent_app_type] => utility [patent_app_number] => 18/331131 [patent_app_country] => US [patent_app_date] => 2023-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 10923 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18331131 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/331131
Devices and methods for pipeline leakage detection Jun 6, 2023 Issued
Array ( [id] => 18831849 [patent_doc_number] => 20230400376 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => METHOD AND APPARATUS FOR TESTING THE TIGHTNESS OF A CONTAINER CLOSED BY A MEMBRANE [patent_app_type] => utility [patent_app_number] => 18/326479 [patent_app_country] => US [patent_app_date] => 2023-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7157 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18326479 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/326479
Method and apparatus for testing the tightness of a container closed by a membrane May 30, 2023 Issued
Array ( [id] => 18896466 [patent_doc_number] => 20240011951 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => SAMPLING DEVICE [patent_app_type] => utility [patent_app_number] => 18/203003 [patent_app_country] => US [patent_app_date] => 2023-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7718 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18203003 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/203003
Sampling device May 28, 2023 Issued
Array ( [id] => 20623367 [patent_doc_number] => 12590870 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-31 [patent_title] => Fluidic network for aseptic sampling [patent_app_type] => utility [patent_app_number] => 18/311462 [patent_app_country] => US [patent_app_date] => 2023-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 255 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18311462 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/311462
Fluidic network for aseptic sampling May 2, 2023 Issued
Array ( [id] => 19557243 [patent_doc_number] => 20240369035 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => ENERGY TRANSFER FROM A DRUM TO A DISPLACEMENT ELEMENT [patent_app_type] => utility [patent_app_number] => 18/141792 [patent_app_country] => US [patent_app_date] => 2023-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4037 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18141792 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/141792
ENERGY TRANSFER FROM A DRUM TO A DISPLACEMENT ELEMENT Apr 30, 2023 Pending
Array ( [id] => 19625002 [patent_doc_number] => 12163821 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-10 [patent_title] => Suppression tank scale and level determination [patent_app_type] => utility [patent_app_number] => 18/139489 [patent_app_country] => US [patent_app_date] => 2023-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 5789 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18139489 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/139489
Suppression tank scale and level determination Apr 25, 2023 Issued
Array ( [id] => 18553270 [patent_doc_number] => 20230251282 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => Sensor Module, Measurement System, And Vehicle [patent_app_type] => utility [patent_app_number] => 18/302453 [patent_app_country] => US [patent_app_date] => 2023-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26280 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18302453 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/302453
Sensor module, measurement system, and vehicle Apr 17, 2023 Issued
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] => 18854402 [patent_doc_number] => 11851966 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-12-26 [patent_title] => Horizontal sampling soil drilling rig and control method thereof [patent_app_type] => utility [patent_app_number] => 18/132981 [patent_app_country] => US [patent_app_date] => 2023-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 5301 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18132981 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/132981
Horizontal sampling soil drilling rig and control method thereof 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] => 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] => 18629438 [patent_doc_number] => 20230288319 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => 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] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5392 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18180126 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/180126
SENSOR SYSTEM Mar 7, 2023 Pending
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] => 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] => 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 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
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