Search

Luke D. Ratcliffe

Examiner (ID: 10311, Phone: (571)272-3110 , Office: P/3645 )

Most Active Art Unit
3645
Art Unit(s)
3662, 3645
Total Applications
2121
Issued Applications
1794
Pending Applications
108
Abandoned Applications
243

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17736106 [patent_doc_number] => 20220221565 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => DISTANCE MEASURING APPARATUS AND METHOD OF DETERMINING DIRT ON WINDOW [patent_app_type] => utility [patent_app_number] => 17/657667 [patent_app_country] => US [patent_app_date] => 2022-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10910 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -30 [patent_words_short_claim] => 371 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17657667 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/657667
Distance measuring apparatus and method of determining dirt on window Mar 31, 2022 Issued
Array ( [id] => 17734253 [patent_doc_number] => 20220219712 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => APPARATUS, SYSTEM, AND METHOD OF HEATING A WINDOW FOR A SENSOR DEVICE [patent_app_type] => utility [patent_app_number] => 17/710793 [patent_app_country] => US [patent_app_date] => 2022-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15192 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17710793 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/710793
APPARATUS, SYSTEM, AND METHOD OF HEATING A WINDOW FOR A SENSOR DEVICE Mar 30, 2022 Pending
Array ( [id] => 19369183 [patent_doc_number] => 12061262 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-13 [patent_title] => Techniques for doppler point set registration [patent_app_type] => utility [patent_app_number] => 17/710410 [patent_app_country] => US [patent_app_date] => 2022-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 15498 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17710410 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/710410
Techniques for doppler point set registration Mar 30, 2022 Issued
Array ( [id] => 17898172 [patent_doc_number] => 20220307834 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-29 [patent_title] => Surveying System [patent_app_type] => utility [patent_app_number] => 17/700976 [patent_app_country] => US [patent_app_date] => 2022-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11355 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17700976 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/700976
Surveying System Mar 21, 2022 Pending
Array ( [id] => 17831601 [patent_doc_number] => 20220268905 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => System and Method for Increasing Coherence Length in Lidar Systems [patent_app_type] => utility [patent_app_number] => 17/693641 [patent_app_country] => US [patent_app_date] => 2022-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4571 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17693641 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/693641
System and method for increasing coherence length in lidar systems Mar 13, 2022 Issued
Array ( [id] => 20623296 [patent_doc_number] => 12590798 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-31 [patent_title] => Multi-sensor depth mapping [patent_app_type] => utility [patent_app_number] => 17/688933 [patent_app_country] => US [patent_app_date] => 2022-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [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] => 17688933 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/688933
Multi-sensor depth mapping Mar 7, 2022 Issued
Array ( [id] => 20549903 [patent_doc_number] => 12560689 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-24 [patent_title] => Optoelectronic device and method for distance measurement [patent_app_type] => utility [patent_app_number] => 17/686697 [patent_app_country] => US [patent_app_date] => 2022-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 13 [patent_no_of_words] => 2884 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17686697 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/686697
Optoelectronic device and method for distance measurement Mar 3, 2022 Issued
Array ( [id] => 19204127 [patent_doc_number] => 20240176026 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => ILLUMINATION CIRCUITRY, ILLUMINATION METHOD, TIME-OF-FLIGHT MODULE [patent_app_type] => utility [patent_app_number] => 18/280952 [patent_app_country] => US [patent_app_date] => 2022-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7995 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18280952 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/280952
ILLUMINATION CIRCUITRY, ILLUMINATION METHOD, TIME-OF-FLIGHT MODULE Mar 3, 2022 Pending
Array ( [id] => 19292492 [patent_doc_number] => 12031842 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-09 [patent_title] => Method and apparatus for binocular ranging [patent_app_type] => utility [patent_app_number] => 17/678692 [patent_app_country] => US [patent_app_date] => 2022-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 20 [patent_no_of_words] => 10995 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17678692 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/678692
Method and apparatus for binocular ranging Feb 22, 2022 Issued
Array ( [id] => 19374985 [patent_doc_number] => 12066548 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-20 [patent_title] => LIDAR transmit/receive system [patent_app_type] => utility [patent_app_number] => 17/674537 [patent_app_country] => US [patent_app_date] => 2022-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 19344 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17674537 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/674537
LIDAR transmit/receive system Feb 16, 2022 Issued
Array ( [id] => 19114188 [patent_doc_number] => 20240125938 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => OPTICAL SYSTEM FOR OBTAINING 3D SPATIAL INFORMATION [patent_app_type] => utility [patent_app_number] => 18/549915 [patent_app_country] => US [patent_app_date] => 2022-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5001 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18549915 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/549915
OPTICAL SYSTEM FOR OBTAINING 3D SPATIAL INFORMATION Feb 13, 2022 Pending
Array ( [id] => 20702582 [patent_doc_number] => 12625288 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-12 [patent_title] => Ultrafast 3D imaging technique employing event-driven cameras [patent_app_type] => utility [patent_app_number] => 17/667148 [patent_app_country] => US [patent_app_date] => 2022-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 15 [patent_no_of_words] => 1116 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17667148 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/667148
Ultrafast 3D imaging technique employing event-driven cameras Feb 7, 2022 Issued
Array ( [id] => 17597109 [patent_doc_number] => 20220146683 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => TIME-RESOLVING IMAGE SENSOR FOR RANGE MEASUREMENT AND 2D GREYSCALE IMAGING [patent_app_type] => utility [patent_app_number] => 17/583190 [patent_app_country] => US [patent_app_date] => 2022-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28779 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17583190 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/583190
Time-resolving image sensor for range measurement and 2D greyscale imaging Jan 23, 2022 Issued
Array ( [id] => 17597109 [patent_doc_number] => 20220146683 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => TIME-RESOLVING IMAGE SENSOR FOR RANGE MEASUREMENT AND 2D GREYSCALE IMAGING [patent_app_type] => utility [patent_app_number] => 17/583190 [patent_app_country] => US [patent_app_date] => 2022-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28779 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17583190 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/583190
Time-resolving image sensor for range measurement and 2D greyscale imaging Jan 23, 2022 Issued
Array ( [id] => 17597109 [patent_doc_number] => 20220146683 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => TIME-RESOLVING IMAGE SENSOR FOR RANGE MEASUREMENT AND 2D GREYSCALE IMAGING [patent_app_type] => utility [patent_app_number] => 17/583190 [patent_app_country] => US [patent_app_date] => 2022-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28779 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17583190 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/583190
Time-resolving image sensor for range measurement and 2D greyscale imaging Jan 23, 2022 Issued
Array ( [id] => 17597109 [patent_doc_number] => 20220146683 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => TIME-RESOLVING IMAGE SENSOR FOR RANGE MEASUREMENT AND 2D GREYSCALE IMAGING [patent_app_type] => utility [patent_app_number] => 17/583190 [patent_app_country] => US [patent_app_date] => 2022-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28779 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17583190 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/583190
Time-resolving image sensor for range measurement and 2D greyscale imaging Jan 23, 2022 Issued
Array ( [id] => 17721706 [patent_doc_number] => 20220214428 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-07 [patent_title] => METHODS AND APPARATUS FOR INCREASED PRECISION AND IMPROVED RANGE IN A MULTIPLE DETECTOR LIDAR ARRAY [patent_app_type] => utility [patent_app_number] => 17/578085 [patent_app_country] => US [patent_app_date] => 2022-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16602 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17578085 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/578085
Methods and apparatus for increased precision and improved range in a multiple detector LIDAR array Jan 17, 2022 Issued
Array ( [id] => 17750982 [patent_doc_number] => 20220229187 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-21 [patent_title] => LIDAR-DRIVEN MMWAVE BEAM MANAGEMENT [patent_app_type] => utility [patent_app_number] => 17/575193 [patent_app_country] => US [patent_app_date] => 2022-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8796 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17575193 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/575193
LiDAR-driven mmWave beam management Jan 12, 2022 Issued
Array ( [id] => 17564554 [patent_doc_number] => 20220128703 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => AUTONOMOUS VEHICLE LIDAR SYSTEM USING A WAVEGUIDE ARRAY [patent_app_type] => utility [patent_app_number] => 17/568360 [patent_app_country] => US [patent_app_date] => 2022-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21819 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17568360 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/568360
Autonomous vehicle LIDAR system using a waveguide array Jan 3, 2022 Issued
Array ( [id] => 19315953 [patent_doc_number] => 12041789 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-16 [patent_title] => Techniques for fiber tip re-imaging in LIDAR systems [patent_app_type] => utility [patent_app_number] => 17/565347 [patent_app_country] => US [patent_app_date] => 2021-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 4797 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17565347 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/565347
Techniques for fiber tip re-imaging in LIDAR systems Dec 28, 2021 Issued
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