Search

Chu Chuan Liu

Examiner (ID: 7347, Phone: (571)270-5507 , Office: P/3777 )

Most Active Art Unit
3791
Art Unit(s)
3777, 3791, 3735
Total Applications
923
Issued Applications
651
Pending Applications
76
Abandoned Applications
217

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20391272 [patent_doc_number] => 20250366747 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-04 [patent_title] => Oximeter with Selectable Tissue Depth [patent_app_type] => utility [patent_app_number] => 19/298077 [patent_app_country] => US [patent_app_date] => 2025-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6749 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19298077 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/298077
Oximeter with Selectable Tissue Depth Aug 11, 2025 Pending
Array ( [id] => 20377294 [patent_doc_number] => 20250359787 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-27 [patent_title] => Handheld Oximeter Sheath [patent_app_type] => utility [patent_app_number] => 19/298016 [patent_app_country] => US [patent_app_date] => 2025-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6377 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19298016 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/298016
Handheld Oximeter Sheath Aug 11, 2025 Pending
Array ( [id] => 20391271 [patent_doc_number] => 20250366746 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-04 [patent_title] => Handheld Oximeter with Disposable Probe Tips [patent_app_type] => utility [patent_app_number] => 19/297992 [patent_app_country] => US [patent_app_date] => 2025-08-12 [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] => -18 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19297992 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/297992
Handheld Oximeter with Disposable Probe Tips Aug 11, 2025 Pending
Array ( [id] => 20391272 [patent_doc_number] => 20250366747 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-04 [patent_title] => Oximeter with Selectable Tissue Depth [patent_app_type] => utility [patent_app_number] => 19/298077 [patent_app_country] => US [patent_app_date] => 2025-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6749 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19298077 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/298077
Oximeter with Selectable Tissue Depth Aug 11, 2025 Pending
Array ( [id] => 20362286 [patent_doc_number] => 20250352098 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-20 [patent_title] => Oximeter with Measurement Quality Reporting [patent_app_type] => utility [patent_app_number] => 19/291405 [patent_app_country] => US [patent_app_date] => 2025-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14509 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 19291405 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/291405
Oximeter with Measurement Quality Reporting Aug 4, 2025 Pending
Array ( [id] => 20148790 [patent_doc_number] => 20250248628 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [patent_title] => SYSTEMS AND METHODS FOR DETERMINING AND COMMUNICATING LEVELS OF BILIRUBIN AND OTHER SUBCUTANEOUS SUBSTANCES [patent_app_type] => utility [patent_app_number] => 19/011162 [patent_app_country] => US [patent_app_date] => 2025-01-06 [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] => -19 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19011162 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/011162
SYSTEMS AND METHODS FOR DETERMINING AND COMMUNICATING LEVELS OF BILIRUBIN AND OTHER SUBCUTANEOUS SUBSTANCES Jan 5, 2025 Pending
Array ( [id] => 19752307 [patent_doc_number] => 20250040872 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => Perfusion and Oxygenation Measurement [patent_app_type] => utility [patent_app_number] => 18/922072 [patent_app_country] => US [patent_app_date] => 2024-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 44356 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [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] => 18922072 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/922072
Perfusion and Oxygenation Measurement Oct 20, 2024 Pending
Array ( [id] => 20239269 [patent_doc_number] => 12419572 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Perfusion and oxygenation measurement [patent_app_type] => utility [patent_app_number] => 18/921857 [patent_app_country] => US [patent_app_date] => 2024-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 46 [patent_no_of_words] => 38910 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18921857 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/921857
Perfusion and oxygenation measurement Oct 20, 2024 Issued
Array ( [id] => 20142456 [patent_doc_number] => 12376769 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Measuring oxygen saturation with quality metric reporting [patent_app_type] => utility [patent_app_number] => 18/816729 [patent_app_country] => US [patent_app_date] => 2024-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 33 [patent_no_of_words] => 15453 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18816729 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/816729
Measuring oxygen saturation with quality metric reporting Aug 26, 2024 Issued
Array ( [id] => 20156575 [patent_doc_number] => 12383171 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-12 [patent_title] => Hinged probe cover for a handheld oximetry probe [patent_app_type] => utility [patent_app_number] => 18/809243 [patent_app_country] => US [patent_app_date] => 2024-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 16 [patent_no_of_words] => 6377 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18809243 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/809243
Hinged probe cover for a handheld oximetry probe Aug 18, 2024 Issued
Array ( [id] => 19273032 [patent_doc_number] => 12023139 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-07-02 [patent_title] => User-worn device for noninvasively measuring a physiological parameter of a user [patent_app_type] => utility [patent_app_number] => 18/598868 [patent_app_country] => US [patent_app_date] => 2024-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 65 [patent_figures_cnt] => 71 [patent_no_of_words] => 25590 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18598868 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/598868
User-worn device for noninvasively measuring a physiological parameter of a user Mar 6, 2024 Issued
Array ( [id] => 19310215 [patent_doc_number] => 12036009 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-07-16 [patent_title] => User-worn device for noninvasively measuring a physiological parameter of a user [patent_app_type] => utility [patent_app_number] => 18/598838 [patent_app_country] => US [patent_app_date] => 2024-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 65 [patent_figures_cnt] => 71 [patent_no_of_words] => 25593 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18598838 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/598838
User-worn device for noninvasively measuring a physiological parameter of a user Mar 6, 2024 Issued
Array ( [id] => 19246230 [patent_doc_number] => 20240197214 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => SYSTEM AND METHOD FOR NON-INVASIVE MONITORING OF HEMOGLOBIN [patent_app_type] => utility [patent_app_number] => 18/592678 [patent_app_country] => US [patent_app_date] => 2024-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9280 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [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] => 18592678 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/592678
System and method for non-invasive monitoring of hemoglobin Feb 29, 2024 Issued
Array ( [id] => 19416960 [patent_doc_number] => 20240293083 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => BLOOD GLUCOSE STATES BASED ON SENSED BRAIN ACTIVITY [patent_app_type] => utility [patent_app_number] => 18/593846 [patent_app_country] => US [patent_app_date] => 2024-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 31645 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18593846 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/593846
Blood glucose states based on sensed brain activity Feb 29, 2024 Issued
Array ( [id] => 19231671 [patent_doc_number] => 20240188861 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => Wireless Laparoscopic Probe [patent_app_type] => utility [patent_app_number] => 18/582559 [patent_app_country] => US [patent_app_date] => 2024-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18462 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18582559 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/582559
Wireless Laparoscopic Probe Feb 19, 2024 Pending
Array ( [id] => 19231670 [patent_doc_number] => 20240188860 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => Oximetry Device with Laparoscopic Extension [patent_app_type] => utility [patent_app_number] => 18/582556 [patent_app_country] => US [patent_app_date] => 2024-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18462 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18582556 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/582556
Oximetry device with laparoscopic extension Feb 19, 2024 Issued
Array ( [id] => 19387421 [patent_doc_number] => 20240277291 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => Nose Sensor [patent_app_type] => utility [patent_app_number] => 18/437099 [patent_app_country] => US [patent_app_date] => 2024-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15040 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18437099 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/437099
Nose Sensor Feb 7, 2024 Pending
Array ( [id] => 19387421 [patent_doc_number] => 20240277291 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => Nose Sensor [patent_app_type] => utility [patent_app_number] => 18/437099 [patent_app_country] => US [patent_app_date] => 2024-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15040 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18437099 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/437099
Nose Sensor Feb 7, 2024 Pending
Array ( [id] => 19567384 [patent_doc_number] => 12142160 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-11-12 [patent_title] => Categorization of students with intellectual learning difficulties through analysis of brain activity energy emission [patent_app_type] => utility [patent_app_number] => 18/434142 [patent_app_country] => US [patent_app_date] => 2024-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3538 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18434142 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/434142
Categorization of students with intellectual learning difficulties through analysis of brain activity energy emission Feb 5, 2024 Issued
Array ( [id] => 19612586 [patent_doc_number] => 20240398266 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => APPARATUS FOR BLOOD GLUCOSE MEASUREMENT BASED ON RAMAN SPECTROSCOPY COMPRISING DIFFRACTING GRATING [patent_app_type] => utility [patent_app_number] => 18/427875 [patent_app_country] => US [patent_app_date] => 2024-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7556 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18427875 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/427875
Apparatus for blood glucose measurement based on Raman spectroscopy comprising diffracting grating Jan 30, 2024 Issued
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