Search

Luke D. Ratcliffe

Examiner (ID: 16175, Phone: (571)272-3110 , Office: P/3645 )

Most Active Art Unit
3645
Art Unit(s)
3645, 3662
Total Applications
2069
Issued Applications
1769
Pending Applications
102
Abandoned Applications
237

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18207584 [patent_doc_number] => 20230053841 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-23 [patent_title] => OBJECT DETECTION SYSTEM AND OBJECT DETECTION METHOD [patent_app_type] => utility [patent_app_number] => 17/982104 [patent_app_country] => US [patent_app_date] => 2022-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13003 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 268 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17982104 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/982104
OBJECT DETECTION SYSTEM AND OBJECT DETECTION METHOD Nov 6, 2022 Abandoned
Array ( [id] => 18181167 [patent_doc_number] => 20230041896 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => OPTICAL-ELECTRO SYSTEM [patent_app_type] => utility [patent_app_number] => 17/971551 [patent_app_country] => US [patent_app_date] => 2022-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7272 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17971551 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/971551
OPTICAL-ELECTRO SYSTEM Oct 20, 2022 Pending
Array ( [id] => 20454200 [patent_doc_number] => 12517252 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-06 [patent_title] => Three-dimensional object detection [patent_app_type] => utility [patent_app_number] => 17/971069 [patent_app_country] => US [patent_app_date] => 2022-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 21 [patent_no_of_words] => 20835 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17971069 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/971069
Three-dimensional object detection Oct 20, 2022 Issued
Array ( [id] => 18181167 [patent_doc_number] => 20230041896 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => OPTICAL-ELECTRO SYSTEM [patent_app_type] => utility [patent_app_number] => 17/971551 [patent_app_country] => US [patent_app_date] => 2022-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7272 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17971551 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/971551
OPTICAL-ELECTRO SYSTEM Oct 20, 2022 Pending
Array ( [id] => 18183380 [patent_doc_number] => 20230044110 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => TRANSIT LOCATION SYSTEMS AND METHODS USING LIDAR [patent_app_type] => utility [patent_app_number] => 17/958717 [patent_app_country] => US [patent_app_date] => 2022-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7940 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17958717 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/958717
Transit location systems and methods using LIDAR Oct 2, 2022 Issued
Array ( [id] => 18183380 [patent_doc_number] => 20230044110 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => TRANSIT LOCATION SYSTEMS AND METHODS USING LIDAR [patent_app_type] => utility [patent_app_number] => 17/958717 [patent_app_country] => US [patent_app_date] => 2022-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7940 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17958717 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/958717
Transit location systems and methods using LIDAR Oct 2, 2022 Issued
Array ( [id] => 18139298 [patent_doc_number] => 20230013134 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-19 [patent_title] => ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 17/954470 [patent_app_country] => US [patent_app_date] => 2022-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7151 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17954470 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/954470
ELECTRONIC DEVICE Sep 27, 2022 Pending
Array ( [id] => 18183200 [patent_doc_number] => 20230043930 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => RANGE-FINDING SYSTEM AND METHOD FOR DATA COMMUNICATION WITHIN THE SAME [patent_app_type] => utility [patent_app_number] => 17/955460 [patent_app_country] => US [patent_app_date] => 2022-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15004 [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] => 17955460 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/955460
Range-finding system and method for data communication within the same Sep 27, 2022 Issued
Array ( [id] => 18139298 [patent_doc_number] => 20230013134 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-19 [patent_title] => ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 17/954470 [patent_app_country] => US [patent_app_date] => 2022-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7151 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17954470 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/954470
ELECTRONIC DEVICE Sep 27, 2022 Pending
Array ( [id] => 18282198 [patent_doc_number] => 20230097670 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => LIDAR SENSOR THAT MEASURES HORIZONTAL ANGLE USING STEP DIFFERENCE AND LIGHT REFLECTANCE [patent_app_type] => utility [patent_app_number] => 17/935540 [patent_app_country] => US [patent_app_date] => 2022-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12547 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17935540 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/935540
LIDAR SENSOR THAT MEASURES HORIZONTAL ANGLE USING STEP DIFFERENCE AND LIGHT REFLECTANCE Sep 25, 2022 Pending
Array ( [id] => 18949276 [patent_doc_number] => 11892566 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-02-06 [patent_title] => Multiplexed light detection and ranging apparatus [patent_app_type] => utility [patent_app_number] => 17/950178 [patent_app_country] => US [patent_app_date] => 2022-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 16 [patent_no_of_words] => 8715 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17950178 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/950178
Multiplexed light detection and ranging apparatus Sep 21, 2022 Issued
Array ( [id] => 18147368 [patent_doc_number] => 20230021225 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-19 [patent_title] => METHOD AND AEROSOL MEASURING DEVICE FOR DETERMINING THE PARTICLE VELOCITY OF AN AEROSOL [patent_app_type] => utility [patent_app_number] => 17/950796 [patent_app_country] => US [patent_app_date] => 2022-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3995 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17950796 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/950796
METHOD AND AEROSOL MEASURING DEVICE FOR DETERMINING THE PARTICLE VELOCITY OF AN AEROSOL Sep 21, 2022 Pending
Array ( [id] => 18111280 [patent_doc_number] => 20230004160 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-05 [patent_title] => FLASH LADAR COLLISION AVOIDANCE SYSTEM [patent_app_type] => utility [patent_app_number] => 17/931081 [patent_app_country] => US [patent_app_date] => 2022-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10426 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 297 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17931081 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/931081
Flash LADAR collision avoidance system Sep 8, 2022 Issued
Array ( [id] => 18243796 [patent_doc_number] => 20230076107 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-09 [patent_title] => OPTICAL DETECTION SYSTEM AND METHOD FOR DETECTING A HOSTILE OPTICAL COMPONENT [patent_app_type] => utility [patent_app_number] => 17/901724 [patent_app_country] => US [patent_app_date] => 2022-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6175 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17901724 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/901724
OPTICAL DETECTION SYSTEM AND METHOD FOR DETECTING A HOSTILE OPTICAL COMPONENT Aug 31, 2022 Pending
Array ( [id] => 18242578 [patent_doc_number] => 20230074889 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-09 [patent_title] => DEPTH ESTIMATION METHOD AND DEPTH ESTIMATION DEVICE [patent_app_type] => utility [patent_app_number] => 17/897220 [patent_app_country] => US [patent_app_date] => 2022-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8323 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17897220 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/897220
DEPTH ESTIMATION METHOD AND DEPTH ESTIMATION DEVICE Aug 28, 2022 Pending
Array ( [id] => 18123308 [patent_doc_number] => 20230008918 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-12 [patent_title] => Methods And Apparatus For Acoustic Backscatter Communication [patent_app_type] => utility [patent_app_number] => 17/821245 [patent_app_country] => US [patent_app_date] => 2022-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10508 [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] => 17821245 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/821245
Methods and apparatus for acoustic backscatter communication Aug 21, 2022 Issued
Array ( [id] => 18911399 [patent_doc_number] => 11874376 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-01-16 [patent_title] => LIDAR sensor system [patent_app_type] => utility [patent_app_number] => 17/890881 [patent_app_country] => US [patent_app_date] => 2022-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 14281 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17890881 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/890881
LIDAR sensor system Aug 17, 2022 Issued
Array ( [id] => 18493031 [patent_doc_number] => 11698444 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-07-11 [patent_title] => Techniques for enhancing LO and RX overlap in FMCW lidars using birefringent crystals [patent_app_type] => utility [patent_app_number] => 17/890990 [patent_app_country] => US [patent_app_date] => 2022-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 7352 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17890990 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/890990
Techniques for enhancing LO and RX overlap in FMCW lidars using birefringent crystals Aug 17, 2022 Issued
Array ( [id] => 18078888 [patent_doc_number] => 20220404500 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => ONLINE LIDAR INTENSITY NORMALIZATION [patent_app_type] => utility [patent_app_number] => 17/889865 [patent_app_country] => US [patent_app_date] => 2022-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7016 [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] => 17889865 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/889865
ONLINE LIDAR INTENSITY NORMALIZATION Aug 16, 2022 Pending
Array ( [id] => 18956738 [patent_doc_number] => 20240045065 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => APPARATUSES AND METHODS FOR ASSESSING A LAWN SLOPE AT A LOCATION [patent_app_type] => utility [patent_app_number] => 17/882855 [patent_app_country] => US [patent_app_date] => 2022-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21077 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 280 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17882855 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/882855
APPARATUSES AND METHODS FOR ASSESSING A LAWN SLOPE AT A LOCATION Aug 7, 2022 Pending
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