Search

Christopher S. Bobish

Examiner (ID: 18742, Phone: (571)270-5289 , Office: P/3746 )

Most Active Art Unit
3746
Art Unit(s)
3746
Total Applications
1072
Issued Applications
618
Pending Applications
79
Abandoned Applications
388

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18676030 [patent_doc_number] => 20230313654 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => SYSTEMS AND METHODS TO AUTONOMOUSLY OPERATE HYDRAULIC FRACTURING UNITS [patent_app_type] => utility [patent_app_number] => 18/205602 [patent_app_country] => US [patent_app_date] => 2023-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15067 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18205602 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/205602
Systems and methods to autonomously operate hydraulic fracturing units Jun 4, 2023 Issued
Array ( [id] => 20393956 [patent_doc_number] => 20250369431 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-04 [patent_title] => INLET SILENCER FOR A VOLUMETRIC COMPRESSOR AND VOLUMETRIC COMPRESSOR EQUIPPED WITH IT [patent_app_type] => utility [patent_app_number] => 18/873427 [patent_app_country] => US [patent_app_date] => 2023-06-02 [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] => -14 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18873427 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/873427
INLET SILENCER FOR A VOLUMETRIC COMPRESSOR AND VOLUMETRIC COMPRESSOR EQUIPPED WITH IT Jun 1, 2023 Pending
Array ( [id] => 19615922 [patent_doc_number] => 20240401602 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => BREATHER TUBE FOR LABYRINTH SEAL CHAMBER [patent_app_type] => utility [patent_app_number] => 18/203391 [patent_app_country] => US [patent_app_date] => 2023-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3589 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18203391 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/203391
Breather tube for labyrinth seal chamber May 29, 2023 Issued
Array ( [id] => 18650261 [patent_doc_number] => 20230296094 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-21 [patent_title] => THERMISTOR FLOW PATH [patent_app_type] => utility [patent_app_number] => 18/325410 [patent_app_country] => US [patent_app_date] => 2023-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7626 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18325410 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/325410
Thermistor flow path May 29, 2023 Issued
Array ( [id] => 19083772 [patent_doc_number] => 20240110573 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => VEHICLE ASSEMBLY COMPRISING A PRESSURE EQUALIZATION ELEMENT [patent_app_type] => utility [patent_app_number] => 18/140139 [patent_app_country] => US [patent_app_date] => 2023-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12534 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18140139 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/140139
VEHICLE ASSEMBLY COMPRISING A PRESSURE EQUALIZATION ELEMENT Apr 26, 2023 Abandoned
Array ( [id] => 18583490 [patent_doc_number] => 20230265751 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => SYSTEMS AND METHODS TO OPERATE A DUAL-SHAFT GAS TURBINE ENGINE FOR HYDRAULIC FRACTURING [patent_app_type] => utility [patent_app_number] => 18/138319 [patent_app_country] => US [patent_app_date] => 2023-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16561 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [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] => 18138319 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/138319
Systems and methods to operate a dual-shaft gas turbine engine for hydraulic fracturing Apr 23, 2023 Issued
Array ( [id] => 19287985 [patent_doc_number] => 20240224468 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-04 [patent_title] => IMMERSION COOLING SYSTEM AND DELIVERY DEVICE THEREOF [patent_app_type] => utility [patent_app_number] => 18/136884 [patent_app_country] => US [patent_app_date] => 2023-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3181 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18136884 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/136884
IMMERSION COOLING SYSTEM AND DELIVERY DEVICE THEREOF Apr 19, 2023 Abandoned
Array ( [id] => 19498158 [patent_doc_number] => 20240337176 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => HOLLOW ELECTRICAL SUBMERSIBLE PUMP FOR UNLIMITED WELLBORE INTERVENTION [patent_app_type] => utility [patent_app_number] => 18/298240 [patent_app_country] => US [patent_app_date] => 2023-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5977 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18298240 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/298240
Hollow electrical submersible pump for unlimited wellbore intervention Apr 9, 2023 Issued
Array ( [id] => 20826983 [patent_doc_number] => 12680542 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-07-14 [patent_title] => Operating multiple fracturing pumps to deliver a smooth total flow rate transition [patent_app_type] => utility [patent_app_number] => 18/297762 [patent_app_country] => US [patent_app_date] => 2023-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 6193 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18297762 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/297762
Operating multiple fracturing pumps to deliver a smooth total flow rate transition Apr 9, 2023 Issued
Array ( [id] => 20094031 [patent_doc_number] => 20250223967 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-10 [patent_title] => PUMP SYSTEM [patent_app_type] => utility [patent_app_number] => 18/853652 [patent_app_country] => US [patent_app_date] => 2023-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1189 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18853652 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/853652
PUMP SYSTEM Apr 5, 2023 Pending
Array ( [id] => 19480370 [patent_doc_number] => 20240328412 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => ADDITIVELY MANUFACTURED SELF-SUPPORTING ASYMMETRIC VALVE CORES [patent_app_type] => utility [patent_app_number] => 18/193347 [patent_app_country] => US [patent_app_date] => 2023-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3677 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18193347 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/193347
ADDITIVELY MANUFACTURED SELF-SUPPORTING ASYMMETRIC VALVE CORES Mar 29, 2023 Abandoned
Array ( [id] => 18545743 [patent_doc_number] => 11719085 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-08-08 [patent_title] => Systems and methods to autonomously operate hydraulic fracturing units [patent_app_type] => utility [patent_app_number] => 18/124721 [patent_app_country] => US [patent_app_date] => 2023-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 14999 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18124721 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/124721
Systems and methods to autonomously operate hydraulic fracturing units Mar 21, 2023 Issued
Array ( [id] => 20085933 [patent_doc_number] => 20250215869 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-03 [patent_title] => INVERTER-INTEGRATED ELECTRIC COMPRESSOR [patent_app_type] => utility [patent_app_number] => 18/850803 [patent_app_country] => US [patent_app_date] => 2023-03-21 [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] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18850803 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/850803
INVERTER-INTEGRATED ELECTRIC COMPRESSOR Mar 20, 2023 Abandoned
Array ( [id] => 19346041 [patent_doc_number] => 20240255004 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => TURBOMACHINE WITH COOLANT JACKET AND TURBULATOR INSERT MEMBER [patent_app_type] => utility [patent_app_number] => 18/184756 [patent_app_country] => US [patent_app_date] => 2023-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5737 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18184756 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/184756
Turbomachine with coolant jacket and turbulator insert member Mar 15, 2023 Issued
Array ( [id] => 20357916 [patent_doc_number] => 12473904 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Electrostatic micro-pump and a process to produce an electrostatic micro-pump [patent_app_type] => utility [patent_app_number] => 18/179055 [patent_app_country] => US [patent_app_date] => 2023-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 28 [patent_no_of_words] => 7256 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 615 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18179055 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/179055
Electrostatic micro-pump and a process to produce an electrostatic micro-pump Mar 5, 2023 Issued
Array ( [id] => 19419044 [patent_doc_number] => 20240295167 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => PACKING LUBRICATION SYSTEM FOR MULTIPLE PUMPING UNITS [patent_app_type] => utility [patent_app_number] => 18/117371 [patent_app_country] => US [patent_app_date] => 2023-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5269 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18117371 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/117371
PACKING LUBRICATION SYSTEM FOR MULTIPLE PUMPING UNITS Mar 2, 2023 Pending
Array ( [id] => 20608874 [patent_doc_number] => 12584468 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-24 [patent_title] => Fluid system with a proppant mixing pump [patent_app_type] => utility [patent_app_number] => 18/175986 [patent_app_country] => US [patent_app_date] => 2023-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18175986 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/175986
Fluid system with a proppant mixing pump Feb 27, 2023 Issued
Array ( [id] => 18498136 [patent_doc_number] => 20230220839 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => MECHANICALLY DRIVEN MODULAR DIAPHRAGM PUMP [patent_app_type] => utility [patent_app_number] => 18/112033 [patent_app_country] => US [patent_app_date] => 2023-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7876 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18112033 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/112033
Mechanically driven modular diaphragm pump Feb 20, 2023 Issued
Array ( [id] => 18530865 [patent_doc_number] => 20230235936 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => METHOD FOR OPERATING STATUS DETERMINATION OF A REFRIGERANT COMPRESSOR/EXPANDER [patent_app_type] => utility [patent_app_number] => 18/166019 [patent_app_country] => US [patent_app_date] => 2023-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8067 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18166019 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/166019
METHOD FOR OPERATING STATUS DETERMINATION OF A REFRIGERANT COMPRESSOR/EXPANDER Feb 7, 2023 Pending
Array ( [id] => 18971275 [patent_doc_number] => 20240051367 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => PRE-PRESSURIZED SYSTEM WITH REVERSE ROTATION OF PUMP FOR VALVE ACTUATION [patent_app_type] => utility [patent_app_number] => 18/165430 [patent_app_country] => US [patent_app_date] => 2023-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6265 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18165430 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/165430
Pre-pressurized system with reverse rotation of pump for valve actuation Feb 6, 2023 Issued
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