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