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] => 20569600 [patent_doc_number] => 20260063522 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-05 [patent_title] => SAMPLE COOLING AND STORAGE METHOD [patent_app_type] => utility [patent_app_number] => 19/383813 [patent_app_country] => US [patent_app_date] => 2025-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3419 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 296 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19383813 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/383813
Sample cooling and storage method Nov 9, 2025 Issued
Array ( [id] => 19972063 [patent_doc_number] => 12340681 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-06-24 [patent_title] => Visual indication of tank level and performance [patent_app_type] => utility [patent_app_number] => 19/071367 [patent_app_country] => US [patent_app_date] => 2025-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 1222 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 312 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19071367 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/071367
Visual indication of tank level and performance Mar 4, 2025 Issued
Array ( [id] => 20034229 [patent_doc_number] => 20250172451 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => METHOD FOR LEAK MONITORING A HIGH-PRESSURE VESSEL [patent_app_type] => utility [patent_app_number] => 18/955433 [patent_app_country] => US [patent_app_date] => 2024-11-21 [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] => -11 [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] => 18955433 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/955433
Method for leak monitoring a high-pressure vessel Nov 20, 2024 Issued
Array ( [id] => 20008670 [patent_doc_number] => 20250146892 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => Mxene Based Sensor Devices [patent_app_type] => utility [patent_app_number] => 18/953434 [patent_app_country] => US [patent_app_date] => 2024-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13070 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18953434 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/953434
Mxene Based Sensor Devices Nov 19, 2024 Pending
Array ( [id] => 20556302 [patent_doc_number] => 20260056084 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-26 [patent_title] => EVAPORATIVE EMISSIONS LEAK DETECTION MODULE [patent_app_type] => utility [patent_app_number] => 18/830841 [patent_app_country] => US [patent_app_date] => 2024-09-11 [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] => -3 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18830841 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/830841
EVAPORATIVE EMISSIONS LEAK DETECTION MODULE Sep 10, 2024 Pending
Array ( [id] => 19572985 [patent_doc_number] => 20240377277 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => Leak Detection Method and Apparatus [patent_app_type] => utility [patent_app_number] => 18/782295 [patent_app_country] => US [patent_app_date] => 2024-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1790 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18782295 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/782295
Leak Detection Method and Apparatus Jul 23, 2024 Pending
Array ( [id] => 20008769 [patent_doc_number] => 20250146991 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => SHOULDER MOUNTABLE REAL-TIME AIR QUALITY MEASUREMENT DEVICE AND AIR QUALITY DEVICE CALIBRATION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/750395 [patent_app_country] => US [patent_app_date] => 2024-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6149 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18750395 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/750395
SHOULDER MOUNTABLE REAL-TIME AIR QUALITY MEASUREMENT DEVICE AND AIR QUALITY DEVICE CALIBRATION SYSTEM Jun 20, 2024 Abandoned
Array ( [id] => 19685271 [patent_doc_number] => 20250003816 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => MODULAR TOOL FOR MEASURING DISASSEMBLY TORQUES [patent_app_type] => utility [patent_app_number] => 18/748262 [patent_app_country] => US [patent_app_date] => 2024-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1813 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18748262 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/748262
MODULAR TOOL FOR MEASURING DISASSEMBLY TORQUES Jun 19, 2024 Pending
Array ( [id] => 19643424 [patent_doc_number] => 20240417944 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => STACKED CONE PENETROMETER TESTING SOUNDING UNIT [patent_app_type] => utility [patent_app_number] => 18/744039 [patent_app_country] => US [patent_app_date] => 2024-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8276 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18744039 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/744039
STACKED CONE PENETROMETER TESTING SOUNDING UNIT Jun 13, 2024 Pending
Array ( [id] => 19465326 [patent_doc_number] => 20240318996 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => PRODUCT RESERVOIR INCLUDING INTELLIGENT LEVEL SENSOR [patent_app_type] => utility [patent_app_number] => 18/732184 [patent_app_country] => US [patent_app_date] => 2024-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13791 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18732184 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/732184
Product reservoir including intelligent level sensor Jun 2, 2024 Issued
Array ( [id] => 19463910 [patent_doc_number] => 20240317579 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => MEMS SENSOR, AND METHOD FOR MANUFACTURING MEMS SENSOR [patent_app_type] => utility [patent_app_number] => 18/676090 [patent_app_country] => US [patent_app_date] => 2024-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6995 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18676090 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/676090
MEMS SENSOR, AND METHOD FOR MANUFACTURING MEMS SENSOR May 27, 2024 Pending
Array ( [id] => 19923931 [patent_doc_number] => 12298208 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Device for preparing rock speciments with different moisture contents [patent_app_type] => utility [patent_app_number] => 18/840461 [patent_app_country] => US [patent_app_date] => 2024-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 392 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18840461 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/840461
Device for preparing rock speciments with different moisture contents May 21, 2024 Issued
Array ( [id] => 20137142 [patent_doc_number] => 20250244186 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => TORQUE SENSING BOTTOM BRACKET [patent_app_type] => utility [patent_app_number] => 18/670679 [patent_app_country] => US [patent_app_date] => 2024-05-21 [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] => -10 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18670679 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/670679
TORQUE SENSING BOTTOM BRACKET May 20, 2024 Pending
Array ( [id] => 19449583 [patent_doc_number] => 20240309713 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => Electrical Submersible Pump Transport Device and Method Thereof [patent_app_type] => utility [patent_app_number] => 18/669098 [patent_app_country] => US [patent_app_date] => 2024-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6505 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18669098 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/669098
Electrical Submersible Pump Transport Device and Method Thereof May 19, 2024 Pending
Array ( [id] => 20159177 [patent_doc_number] => 12385798 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-12 [patent_title] => Integrated methane monitoring system [patent_app_type] => utility [patent_app_number] => 18/667261 [patent_app_country] => US [patent_app_date] => 2024-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 0 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 363 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18667261 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/667261
Integrated methane monitoring system May 16, 2024 Issued
Array ( [id] => 20350738 [patent_doc_number] => 20250347590 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-13 [patent_title] => INSPECTING INTERNAL POWERPLANT COMPONENT USING INSPECTION SCOPE [patent_app_type] => utility [patent_app_number] => 18/658446 [patent_app_country] => US [patent_app_date] => 2024-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3338 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18658446 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/658446
INSPECTING INTERNAL POWERPLANT COMPONENT USING INSPECTION SCOPE May 7, 2024 Pending
Array ( [id] => 19431708 [patent_doc_number] => 20240300206 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => LAMINATED GLASS ASSEMBLY, SIGNAL TRANSMISSION SYSTEM, AND VEHICLE [patent_app_type] => utility [patent_app_number] => 18/654589 [patent_app_country] => US [patent_app_date] => 2024-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8961 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18654589 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/654589
LAMINATED GLASS ASSEMBLY, SIGNAL TRANSMISSION SYSTEM, AND VEHICLE May 2, 2024 Pending
Array ( [id] => 20322076 [patent_doc_number] => 20250334164 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-30 [patent_title] => SOLAR TRACKER DAMPER SIGHT GAUGE [patent_app_type] => utility [patent_app_number] => 18/649420 [patent_app_country] => US [patent_app_date] => 2024-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1187 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18649420 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/649420
SOLAR TRACKER DAMPER SIGHT GAUGE Apr 28, 2024 Pending
Array ( [id] => 19498658 [patent_doc_number] => 20240337676 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => Inertial Sensor And Inertial Measurement Apparatus [patent_app_type] => utility [patent_app_number] => 18/630053 [patent_app_country] => US [patent_app_date] => 2024-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16550 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18630053 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/630053
Inertial Sensor And Inertial Measurement Apparatus Apr 8, 2024 Pending
Array ( [id] => 19557642 [patent_doc_number] => 20240369434 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => BICYCLE WHEEL WITH AN INTEGRATED SENSOR DEVICE [patent_app_type] => utility [patent_app_number] => 18/630456 [patent_app_country] => US [patent_app_date] => 2024-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21931 [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] => 18630456 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/630456
BICYCLE WHEEL WITH AN INTEGRATED SENSOR DEVICE Apr 8, 2024 Pending
Menu