
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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 |