Search

Ben M. Rifkin

Examiner (ID: 13211, Phone: (571)272-9768 , Office: P/2122 )

Most Active Art Unit
2122
Art Unit(s)
2122, 2129, 2198, 2124, 2123
Total Applications
534
Issued Applications
224
Pending Applications
86
Abandoned Applications
235

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19985127 [patent_doc_number] => 20250123349 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-17 [patent_title] => MULTIPORT RF CALIBRATION USING PEER-TERMINATED STANDARDS [patent_app_type] => utility [patent_app_number] => 18/820228 [patent_app_country] => US [patent_app_date] => 2024-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18820228 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/820228
MULTIPORT RF CALIBRATION USING PEER-TERMINATED STANDARDS Aug 28, 2024 Pending
Array ( [id] => 20194810 [patent_doc_number] => 20250271520 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-28 [patent_title] => SHORT-BORE MRI SYSTEM WITH NON-SPHERICAL FIELD OF VIEW [patent_app_type] => utility [patent_app_number] => 18/817656 [patent_app_country] => US [patent_app_date] => 2024-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7540 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18817656 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/817656
SHORT-BORE MRI SYSTEM WITH NON-SPHERICAL FIELD OF VIEW Aug 27, 2024 Pending
Array ( [id] => 20280842 [patent_doc_number] => 20250306084 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-02 [patent_title] => TEST CHAMBER AND TEST APPARATUS [patent_app_type] => utility [patent_app_number] => 18/816190 [patent_app_country] => US [patent_app_date] => 2024-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18816190 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/816190
TEST CHAMBER AND TEST APPARATUS Aug 26, 2024 Pending
Array ( [id] => 20006827 [patent_doc_number] => 20250145049 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => BATTERY MANAGEMENT DEVICE [patent_app_type] => utility [patent_app_number] => 18/790168 [patent_app_country] => US [patent_app_date] => 2024-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18790168 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/790168
BATTERY MANAGEMENT DEVICE Jul 30, 2024 Pending
Array ( [id] => 19747116 [patent_doc_number] => 20250035681 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => AC CURRENT ACQUISITION METHOD [patent_app_type] => utility [patent_app_number] => 18/786197 [patent_app_country] => US [patent_app_date] => 2024-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4274 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18786197 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/786197
AC CURRENT ACQUISITION METHOD Jul 25, 2024 Pending
Array ( [id] => 19999877 [patent_doc_number] => 20250138099 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => BATTERY SYSTEM [patent_app_type] => utility [patent_app_number] => 18/777793 [patent_app_country] => US [patent_app_date] => 2024-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18777793 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/777793
BATTERY SYSTEM Jul 18, 2024 Pending
Array ( [id] => 19755759 [patent_doc_number] => 20250044324 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => NON-CONTACT AC/DC SENSING PROBE AND SENSING METHOD AND APPLICATION THEREOF [patent_app_type] => utility [patent_app_number] => 18/776393 [patent_app_country] => US [patent_app_date] => 2024-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4240 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 338 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18776393 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/776393
NON-CONTACT AC/DC SENSING PROBE AND SENSING METHOD AND APPLICATION THEREOF Jul 17, 2024 Pending
Array ( [id] => 19513452 [patent_doc_number] => 20240345138 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => CURRENT DETECTOR [patent_app_type] => utility [patent_app_number] => 18/756917 [patent_app_country] => US [patent_app_date] => 2024-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3328 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18756917 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/756917
CURRENT DETECTOR Jun 26, 2024 Pending
Array ( [id] => 19644278 [patent_doc_number] => 20240418798 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => Abnormality Locating System [patent_app_type] => utility [patent_app_number] => 18/744263 [patent_app_country] => US [patent_app_date] => 2024-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9135 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 287 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18744263 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/744263
Abnormality locating system Jun 13, 2024 Issued
Array ( [id] => 19644174 [patent_doc_number] => 20240418694 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => ELECTRICAL PLANT MONITORING DEVICE AND OPERATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/741515 [patent_app_country] => US [patent_app_date] => 2024-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5747 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18741515 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/741515
ELECTRICAL PLANT MONITORING DEVICE AND OPERATION METHOD THEREOF Jun 11, 2024 Pending
Array ( [id] => 20379770 [patent_doc_number] => 20250362263 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-27 [patent_title] => ELECTRICAL CONTACT FREE METHOD FOR MEASURING RESIDUAL SOLVENT WITHIN AN EMULSION OR POROUS MEDIA [patent_app_type] => utility [patent_app_number] => 18/670254 [patent_app_country] => US [patent_app_date] => 2024-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1133 [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] => 18670254 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/670254
ELECTRICAL CONTACT FREE METHOD FOR MEASURING RESIDUAL SOLVENT WITHIN AN EMULSION OR POROUS MEDIA May 20, 2024 Pending
Array ( [id] => 19587659 [patent_doc_number] => 20240385216 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => Electrical and Optical Semiconductor Probe Head [patent_app_type] => utility [patent_app_number] => 18/663193 [patent_app_country] => US [patent_app_date] => 2024-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8504 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18663193 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/663193
Electrical and Optical Semiconductor Probe Head May 13, 2024 Pending
Array ( [id] => 19572890 [patent_doc_number] => 20240377182 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => POSITION SENSOR [patent_app_type] => utility [patent_app_number] => 18/654789 [patent_app_country] => US [patent_app_date] => 2024-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10573 [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] => 18654789 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/654789
POSITION SENSOR May 2, 2024 Pending
Array ( [id] => 19557873 [patent_doc_number] => 20240369665 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => ISOLATED TEST AND MEASUREMENT PROBE [patent_app_type] => utility [patent_app_number] => 18/652163 [patent_app_country] => US [patent_app_date] => 2024-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5395 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 18652163 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/652163
ISOLATED TEST AND MEASUREMENT PROBE Apr 30, 2024 Pending
Array ( [id] => 19587695 [patent_doc_number] => 20240385252 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => SECONDARY BATTERY LIFE EVALUATION APPARATUS AND METHOD [patent_app_type] => utility [patent_app_number] => 18/646840 [patent_app_country] => US [patent_app_date] => 2024-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5111 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18646840 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/646840
SECONDARY BATTERY LIFE EVALUATION APPARATUS AND METHOD Apr 25, 2024 Pending
Array ( [id] => 20646820 [patent_doc_number] => 12601759 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-14 [patent_title] => Cantilever probe card device and light scattering probe [patent_app_type] => utility [patent_app_number] => 18/632315 [patent_app_country] => US [patent_app_date] => 2024-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 0 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18632315 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/632315
CANTILEVER PROBE CARD DEVICE AND LIGHT SCATTERING PROBE Apr 10, 2024 Issued
Array ( [id] => 20280913 [patent_doc_number] => 20250306155 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-02 [patent_title] => TEST AND/OR MEASUREMENT INSTRUMENT AND CALIBRATION METHOD [patent_app_type] => utility [patent_app_number] => 18/616860 [patent_app_country] => US [patent_app_date] => 2024-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3866 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 356 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18616860 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/616860
TEST AND/OR MEASUREMENT INSTRUMENT AND CALIBRATION METHOD Mar 25, 2024 Pending
Array ( [id] => 19481056 [patent_doc_number] => 20240329098 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => CURRENT MEASUREMENT DEVICE, CORRESPONDING MANUFACTURING METHOD AND METHOD OF USE [patent_app_type] => utility [patent_app_number] => 18/615233 [patent_app_country] => US [patent_app_date] => 2024-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6326 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18615233 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/615233
CURRENT MEASUREMENT DEVICE, CORRESPONDING MANUFACTURING METHOD AND METHOD OF USE Mar 24, 2024 Pending
Array ( [id] => 20249199 [patent_doc_number] => 20250298068 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-25 [patent_title] => DYNAMIC ON-RESISTANCE AND THRESHOLD VOLTAGE INSTABILITY EVALUATION CIRCUIT FOR POWER DEVICES AND OPERATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/611024 [patent_app_country] => US [patent_app_date] => 2024-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4510 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18611024 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/611024
DYNAMIC ON-RESISTANCE AND THRESHOLD VOLTAGE INSTABILITY EVALUATION CIRCUIT FOR POWER DEVICES AND OPERATION METHOD THEREOF Mar 19, 2024 Pending
Array ( [id] => 20249236 [patent_doc_number] => 20250298105 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-25 [patent_title] => MONITORING SYSTEM FOR THE CURRENT FLOW TO DUAL RESONANT 1H/31P MRI COILS [patent_app_type] => utility [patent_app_number] => 18/610355 [patent_app_country] => US [patent_app_date] => 2024-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1822 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 287 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18610355 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/610355
MONITORING SYSTEM FOR THE CURRENT FLOW TO DUAL RESONANT 1H/31P MRI COILS Mar 19, 2024 Pending
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