Search

Anthony Derrell Barfield

Examiner (ID: 12465, Phone: (571)272-6852 , Office: P/3636 )

Most Active Art Unit
3636
Art Unit(s)
3507, 3636, 3624
Total Applications
2795
Issued Applications
2223
Pending Applications
163
Abandoned Applications
430

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19125855 [patent_doc_number] => 20240131208 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-25 [patent_title] => 215- TO 222-NM WAVELENGTH LASER LIGHT GENERATING DEVICE [patent_app_type] => utility [patent_app_number] => 18/547604 [patent_app_country] => US [patent_app_date] => 2022-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6520 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18547604 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/547604
215- TO 222-NM WAVELENGTH LASER LIGHT GENERATING DEVICE Feb 23, 2022 Pending
Array ( [id] => 17834185 [patent_doc_number] => 20220271489 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => RING OPTICAL RESONATOR FOR GENERATION AND DETECTION OF MILLIMETER-WAVE OR SUB-MILLIMETER-WAVE ELECTROMAGNETIC RADIATION [patent_app_type] => utility [patent_app_number] => 17/677888 [patent_app_country] => US [patent_app_date] => 2022-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13688 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -36 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17677888 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/677888
Ring optical resonator for generation and detection of millimeter-wave or sub-millimeter-wave electromagnetic radiation Feb 21, 2022 Issued
Array ( [id] => 19306571 [patent_doc_number] => 20240235151 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => LIGHT EMITTER [patent_app_type] => utility [patent_app_number] => 18/277509 [patent_app_country] => US [patent_app_date] => 2022-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6030 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18277509 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/277509
LIGHT EMITTER Feb 17, 2022 Pending
Array ( [id] => 19306571 [patent_doc_number] => 20240235151 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => LIGHT EMITTER [patent_app_type] => utility [patent_app_number] => 18/277509 [patent_app_country] => US [patent_app_date] => 2022-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6030 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18277509 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/277509
LIGHT EMITTER Feb 17, 2022 Pending
Array ( [id] => 17834187 [patent_doc_number] => 20220271491 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => EXTERNAL RESONANCE-TYPE LASER MODULE [patent_app_type] => utility [patent_app_number] => 17/675166 [patent_app_country] => US [patent_app_date] => 2022-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7932 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17675166 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/675166
External resonance-type laser module Feb 17, 2022 Issued
Array ( [id] => 17645833 [patent_doc_number] => 20220173572 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-02 [patent_title] => OPTICAL SYSTEM AND METHOD FOR LOCKING A WAVELENGTH OF A TUNABLE LASER [patent_app_type] => utility [patent_app_number] => 17/673348 [patent_app_country] => US [patent_app_date] => 2022-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6301 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17673348 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/673348
OPTICAL SYSTEM AND METHOD FOR LOCKING A WAVELENGTH OF A TUNABLE LASER Feb 15, 2022 Abandoned
Array ( [id] => 17834201 [patent_doc_number] => 20220271505 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => EXTERNAL RESONANT LASER MODULE [patent_app_type] => utility [patent_app_number] => 17/672772 [patent_app_country] => US [patent_app_date] => 2022-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13845 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17672772 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/672772
External resonant laser module Feb 15, 2022 Issued
Array ( [id] => 19306587 [patent_doc_number] => 20240235167 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => SURFACE EMITTING LASER ELEMENT, ELECTRONIC DEVICE, AND METHOD FOR MANUFACTURING SURFACE EMITTING LASER ELEMENT [patent_app_type] => utility [patent_app_number] => 18/558246 [patent_app_country] => US [patent_app_date] => 2022-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16878 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18558246 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/558246
SURFACE EMITTING LASER ELEMENT, ELECTRONIC DEVICE, AND METHOD FOR MANUFACTURING SURFACE EMITTING LASER ELEMENT Feb 1, 2022 Pending
Array ( [id] => 17600014 [patent_doc_number] => 20220149588 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => PULSED LASER DIODE DRIVER [patent_app_type] => utility [patent_app_number] => 17/648907 [patent_app_country] => US [patent_app_date] => 2022-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17725 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17648907 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/648907
Pulsed laser diode driver Jan 24, 2022 Issued
Array ( [id] => 17765441 [patent_doc_number] => 20220239055 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => MULTIPLE COHERENT WAVELENGTH OPTICAL SOURCES [patent_app_type] => utility [patent_app_number] => 17/648737 [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] => 6359 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17648737 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/648737
Multiple coherent wavelength optical sources Jan 23, 2022 Issued
Array ( [id] => 19192009 [patent_doc_number] => 20240170922 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => SEMICONDUCTOR LASER, ELECTRONIC APPARATUS, AND METHOD FOR MANUFACTURING SEMICONDUCTOR LASER [patent_app_type] => utility [patent_app_number] => 18/551023 [patent_app_country] => US [patent_app_date] => 2022-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15649 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18551023 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/551023
SEMICONDUCTOR LASER, ELECTRONIC APPARATUS, AND METHOD FOR MANUFACTURING SEMICONDUCTOR LASER Jan 20, 2022 Pending
Array ( [id] => 17738619 [patent_doc_number] => 20220224081 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => SURFACE-EMITTING LASER [patent_app_type] => utility [patent_app_number] => 17/573636 [patent_app_country] => US [patent_app_date] => 2022-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4194 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 17573636 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/573636
SURFACE-EMITTING LASER Jan 11, 2022 Abandoned
Array ( [id] => 19436566 [patent_doc_number] => 20240305064 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => SURFACE-EMITTING LASER AND METHOD FOR MANUFACTURING SURFACE-EMITTING LASER [patent_app_type] => utility [patent_app_number] => 18/277496 [patent_app_country] => US [patent_app_date] => 2022-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9564 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18277496 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/277496
SURFACE-EMITTING LASER AND METHOD FOR MANUFACTURING SURFACE-EMITTING LASER Jan 11, 2022 Pending
Array ( [id] => 20404637 [patent_doc_number] => 12494619 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-09 [patent_title] => DFB with weak optical feedback [patent_app_type] => utility [patent_app_number] => 17/647227 [patent_app_country] => US [patent_app_date] => 2022-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 0 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17647227 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/647227
DFB with weak optical feedback Jan 5, 2022 Issued
Array ( [id] => 18975741 [patent_doc_number] => 20240055833 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => SURFACE EMITTING LASER, ELECTRONIC DEVICE, AND METHOD FOR MANUFACTURING SURFACE EMITTING LASER [patent_app_type] => utility [patent_app_number] => 18/268873 [patent_app_country] => US [patent_app_date] => 2022-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19224 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18268873 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/268873
Surface emitting laser, electronic device, and method for manufacturing surface emitting laser Jan 5, 2022 Issued
Array ( [id] => 20820980 [patent_doc_number] => 12676456 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-07-07 [patent_title] => Robust and intrinsically safe laser failure detection in the electrical circuit [patent_app_type] => utility [patent_app_number] => 18/271695 [patent_app_country] => US [patent_app_date] => 2022-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 9655 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 335 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18271695 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/271695
ROBUST AND INTRINSICALLY SAFE LASER FAILURE DETECTION IN THE ELECTRICAL CIRCUIT Jan 3, 2022 Issued
Array ( [id] => 20791470 [patent_doc_number] => 12665390 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-23 [patent_title] => Laser display with improved brightness control [patent_app_type] => utility [patent_app_number] => 17/563281 [patent_app_country] => US [patent_app_date] => 2021-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 15 [patent_no_of_words] => 2401 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17563281 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/563281
Laser display with improved brightness control Dec 27, 2021 Issued
Array ( [id] => 17796199 [patent_doc_number] => 20220255291 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => LASER DIODE AND MANUFACTURING METHOD OF THE SAME [patent_app_type] => utility [patent_app_number] => 17/561212 [patent_app_country] => US [patent_app_date] => 2021-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4368 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17561212 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/561212
Laser diode and manufacturing method of the same Dec 22, 2021 Issued
Array ( [id] => 17537232 [patent_doc_number] => 20220115841 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-14 [patent_title] => Semiconductor Laser With a Mode Expansion Layer [patent_app_type] => utility [patent_app_number] => 17/561187 [patent_app_country] => US [patent_app_date] => 2021-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6846 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17561187 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/561187
Semiconductor laser with a mode expansion layer Dec 22, 2021 Issued
Array ( [id] => 17709500 [patent_doc_number] => 20220209508 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => SEMICONDUCTOR LASER DEVICE AND OPTICAL APPARATUS [patent_app_type] => utility [patent_app_number] => 17/559239 [patent_app_country] => US [patent_app_date] => 2021-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14291 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17559239 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/559239
SEMICONDUCTOR LASER DEVICE AND OPTICAL APPARATUS Dec 21, 2021 Abandoned
Menu