Search

David P. Bryant

Supervisory Patent Examiner (ID: 13135, Phone: (571)272-4526 , Office: P/3726 )

Most Active Art Unit
3726
Art Unit(s)
3206, 3726, 1941
Total Applications
1513
Issued Applications
1188
Pending Applications
93
Abandoned Applications
228

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20000164 [patent_doc_number] => 20250138386 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => AN OPTICAL SYSTEM FOR FREQUENCY CONVERSION OF A SINGLE PHOTON [patent_app_type] => utility [patent_app_number] => 18/681619 [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] => 7008 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18681619 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/681619
AN OPTICAL SYSTEM FOR FREQUENCY CONVERSION OF A SINGLE PHOTON Aug 7, 2022 Pending
Array ( [id] => 18606247 [patent_doc_number] => 11747710 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-05 [patent_title] => Gain balanced nonlinear optical interferometer [patent_app_type] => utility [patent_app_number] => 17/878325 [patent_app_country] => US [patent_app_date] => 2022-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 20 [patent_no_of_words] => 17868 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17878325 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/878325
Gain balanced nonlinear optical interferometer Jul 31, 2022 Issued
Array ( [id] => 18006523 [patent_doc_number] => 20220365289 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => DUST CAP WITH BUILT-IN CLEANER [patent_app_type] => utility [patent_app_number] => 17/816613 [patent_app_country] => US [patent_app_date] => 2022-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6713 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17816613 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/816613
Dust cap with built-in cleaner Jul 31, 2022 Issued
Array ( [id] => 18179141 [patent_doc_number] => 20230039870 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => LIGHT GUIDE AND VIRTUAL IMAGE DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 17/876543 [patent_app_country] => US [patent_app_date] => 2022-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 32220 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17876543 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/876543
LIGHT GUIDE AND VIRTUAL IMAGE DISPLAY DEVICE Jul 28, 2022 Abandoned
Array ( [id] => 20506786 [patent_doc_number] => 12541061 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-03 [patent_title] => Diamond spot size converter for fiber edge coupling [patent_app_type] => utility [patent_app_number] => 17/876867 [patent_app_country] => US [patent_app_date] => 2022-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 16 [patent_no_of_words] => 2203 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17876867 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/876867
Diamond spot size converter for fiber edge coupling Jul 28, 2022 Issued
Array ( [id] => 18257281 [patent_doc_number] => 20230084321 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-16 [patent_title] => NONLINEAR ON-CHIP OPTICAL DEVICES USING ALSCN [patent_app_type] => utility [patent_app_number] => 17/877120 [patent_app_country] => US [patent_app_date] => 2022-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7980 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17877120 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/877120
Nonlinear on-chip optical devices using AlScN Jul 28, 2022 Issued
Array ( [id] => 18006504 [patent_doc_number] => 20220365270 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => LIGHT GUIDING PANEL AND IMAGE DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 17/816185 [patent_app_country] => US [patent_app_date] => 2022-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8445 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17816185 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/816185
Light guiding panel and image display device Jul 28, 2022 Issued
Array ( [id] => 18162507 [patent_doc_number] => 20230029100 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => Waveguide Display Device [patent_app_type] => utility [patent_app_number] => 17/875434 [patent_app_country] => US [patent_app_date] => 2022-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6338 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17875434 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/875434
Waveguide display device Jul 27, 2022 Issued
Array ( [id] => 18981705 [patent_doc_number] => 11906875 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => Systems, devices, and methods for optical frequency combs [patent_app_type] => utility [patent_app_number] => 17/814678 [patent_app_country] => US [patent_app_date] => 2022-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 5570 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17814678 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/814678
Systems, devices, and methods for optical frequency combs Jul 24, 2022 Issued
Array ( [id] => 18111073 [patent_doc_number] => 20230003953 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-05 [patent_title] => WAVEGUIDE WITH ANTI-REFLECTION PROPERTIES [patent_app_type] => utility [patent_app_number] => 17/854825 [patent_app_country] => US [patent_app_date] => 2022-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6126 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17854825 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/854825
Waveguide with anti-reflection properties Jun 29, 2022 Issued
Array ( [id] => 18316294 [patent_doc_number] => 11630372 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-18 [patent_title] => Optical resonator frequency comb [patent_app_type] => utility [patent_app_number] => 17/854189 [patent_app_country] => US [patent_app_date] => 2022-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 22 [patent_no_of_words] => 6090 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17854189 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/854189
Optical resonator frequency comb Jun 29, 2022 Issued
Array ( [id] => 20439879 [patent_doc_number] => 12510713 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [patent_title] => Wavelength selective switch [patent_app_type] => utility [patent_app_number] => 17/852690 [patent_app_country] => US [patent_app_date] => 2022-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 17 [patent_no_of_words] => 3705 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 314 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17852690 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/852690
Wavelength selective switch Jun 28, 2022 Issued
Array ( [id] => 18863555 [patent_doc_number] => 20230417991 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => WAVEGUIDE CORES WITH A DUAL-TRAPEZOIDAL SHAPE [patent_app_type] => utility [patent_app_number] => 17/850128 [patent_app_country] => US [patent_app_date] => 2022-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3979 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17850128 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/850128
Waveguide cores with a dual-trapezoidal shape Jun 26, 2022 Issued
Array ( [id] => 18282216 [patent_doc_number] => 20230097688 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => COMPUTER-READABLE NON-TRANSITORY MEDIUM, ABNORMALITY DETECTION DEVICE AND ABNORMALITY DETECTION METHOD [patent_app_type] => utility [patent_app_number] => 17/848799 [patent_app_country] => US [patent_app_date] => 2022-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4284 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17848799 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/848799
Computer-readable non-transitory medium, abnormality detection device and abnormality detection method Jun 23, 2022 Issued
Array ( [id] => 20592197 [patent_doc_number] => 12575893 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-17 [patent_title] => Shape sensing fiber optic tip protection systems and devices [patent_app_type] => utility [patent_app_number] => 17/849447 [patent_app_country] => US [patent_app_date] => 2022-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17849447 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/849447
Shape sensing fiber optic tip protection systems and devices Jun 23, 2022 Issued
Array ( [id] => 18283461 [patent_doc_number] => 20230098933 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => COMPUTER-READABLE NON-TRANSITORY MEDIUM, ESTIMATION DEVICE AND ESTIMATION METHOD [patent_app_type] => utility [patent_app_number] => 17/847954 [patent_app_country] => US [patent_app_date] => 2022-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4388 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17847954 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/847954
Computer-readable non-transitory medium, estimation device and estimation method Jun 22, 2022 Issued
Array ( [id] => 19333824 [patent_doc_number] => 20240248254 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => DEVICE FOR AMPLIFYING LIGHT BY MEANS OF REFLECTIONS IN CONDUITS [patent_app_type] => utility [patent_app_number] => 18/575340 [patent_app_country] => US [patent_app_date] => 2022-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1471 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18575340 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/575340
DEVICE FOR AMPLIFYING LIGHT BY MEANS OF REFLECTIONS IN CONDUITS Jun 20, 2022 Pending
Array ( [id] => 17884246 [patent_doc_number] => 20220299723 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => HYBRID ELECTRO-OPTIC WIRELINE CABLE [patent_app_type] => utility [patent_app_number] => 17/836782 [patent_app_country] => US [patent_app_date] => 2022-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6163 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17836782 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/836782
Hybrid electro-optic wireline cable Jun 8, 2022 Issued
Array ( [id] => 19963037 [patent_doc_number] => 12332534 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-17 [patent_title] => Optical waveguide device, optical modulator, optical modulation module, and optical transmission apparatus [patent_app_type] => utility [patent_app_number] => 17/827035 [patent_app_country] => US [patent_app_date] => 2022-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 15 [patent_no_of_words] => 5108 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 264 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17827035 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/827035
Optical waveguide device, optical modulator, optical modulation module, and optical transmission apparatus May 26, 2022 Issued
Array ( [id] => 19189309 [patent_doc_number] => 20240168222 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => OPTICAL WAVEGUIDE PRODUCTION METHOD AND OPTICAL WAVEGUIDE [patent_app_type] => utility [patent_app_number] => 18/281788 [patent_app_country] => US [patent_app_date] => 2022-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7285 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18281788 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/281788
OPTICAL WAVEGUIDE PRODUCTION METHOD AND OPTICAL WAVEGUIDE May 26, 2022 Pending
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