Search

Charles Grant Freay

Examiner (ID: 2096, Phone: (571)272-4827 , Office: P/3746 )

Most Active Art Unit
3746
Art Unit(s)
3403, 3727, 2899, 3304, 3746
Total Applications
3898
Issued Applications
3045
Pending Applications
371
Abandoned Applications
518

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20402717 [patent_doc_number] => 12492689 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-09 [patent_title] => Frac pump system [patent_app_type] => utility [patent_app_number] => 18/307505 [patent_app_country] => US [patent_app_date] => 2023-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 18 [patent_no_of_words] => 0 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18307505 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/307505
Frac pump system Apr 25, 2023 Issued
Array ( [id] => 18709961 [patent_doc_number] => 20230332583 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => FRACTURING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/307177 [patent_app_country] => US [patent_app_date] => 2023-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5589 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18307177 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/307177
Fracturing apparatus Apr 25, 2023 Issued
Array ( [id] => 18552702 [patent_doc_number] => 20230250713 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => RODLESS PUMP AND MULTI-SEALING HYDRAULIC SUB ARTIFICIAL LIFT SYSTEM [patent_app_type] => utility [patent_app_number] => 18/299939 [patent_app_country] => US [patent_app_date] => 2023-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12925 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18299939 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/299939
Rodless pump and multi-sealing hydraulic sub artificial lift system Apr 12, 2023 Issued
Array ( [id] => 19060755 [patent_doc_number] => 11939974 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-26 [patent_title] => Systems and methods of utilization of a hydraulic fracturing unit profile to operate hydraulic fracturing units [patent_app_type] => utility [patent_app_number] => 18/127841 [patent_app_country] => US [patent_app_date] => 2023-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 14977 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18127841 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/127841
Systems and methods of utilization of a hydraulic fracturing unit profile to operate hydraulic fracturing units Mar 28, 2023 Issued
Array ( [id] => 20050735 [patent_doc_number] => 20250188957 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => PRESSURE EXCHANGERS WITH FOULING AND PARTICLE HANDLING CAPABILITIES [patent_app_type] => utility [patent_app_number] => 18/849446 [patent_app_country] => US [patent_app_date] => 2023-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5530 [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] => 18849446 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/849446
Pressure exchangers with fouling and particle handling capabilities Mar 23, 2023 Issued
Array ( [id] => 18693501 [patent_doc_number] => 20230323900 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => MINIMIZING MIXING IN A PRESSURE EXCHANGER [patent_app_type] => utility [patent_app_number] => 18/125334 [patent_app_country] => US [patent_app_date] => 2023-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16976 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18125334 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/125334
MINIMIZING MIXING IN A PRESSURE EXCHANGER Mar 22, 2023 Pending
Array ( [id] => 19856144 [patent_doc_number] => 12258969 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-25 [patent_title] => Water pumps for urban water landscapes [patent_app_type] => utility [patent_app_number] => 18/181533 [patent_app_country] => US [patent_app_date] => 2023-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8762 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 458 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18181533 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/181533
Water pumps for urban water landscapes Mar 8, 2023 Issued
Array ( [id] => 18469643 [patent_doc_number] => 20230203927 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => POWER SOURCES AND TRANSMISSION NETWORKS FOR AUXILIARY EQUIPMENT ONBOARD HYDRAULIC FRACTURING UNITS AND ASSOCIATED METHODS [patent_app_type] => utility [patent_app_number] => 18/116383 [patent_app_country] => US [patent_app_date] => 2023-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11871 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18116383 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/116383
Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods Mar 1, 2023 Issued
Array ( [id] => 19404371 [patent_doc_number] => 20240287882 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => SELF-ENCAPSULATED ELECTRICAL SUBMERSIBLE PUMP (ESP) [patent_app_type] => utility [patent_app_number] => 18/175856 [patent_app_country] => US [patent_app_date] => 2023-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4928 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18175856 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/175856
Self-encapsulated electrical submersible pump (ESP) Feb 27, 2023 Issued
Array ( [id] => 19181617 [patent_doc_number] => 11988201 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-21 [patent_title] => Electrochemical compressor [patent_app_type] => utility [patent_app_number] => 18/112550 [patent_app_country] => US [patent_app_date] => 2023-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5444 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 323 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18112550 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/112550
Electrochemical compressor Feb 21, 2023 Issued
Array ( [id] => 19266079 [patent_doc_number] => 20240209778 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => METHODS, SYSTEMS, AND APPARATUS TO CONTROL A FLUID PROVIDED TO COMPONENTS IN A FLUID PUMP OF A CLOSED LOOP SYSTEM [patent_app_type] => utility [patent_app_number] => 18/167723 [patent_app_country] => US [patent_app_date] => 2023-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28685 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18167723 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/167723
METHODS, SYSTEMS, AND APPARATUS TO CONTROL A FLUID PROVIDED TO COMPONENTS IN A FLUID PUMP OF A CLOSED LOOP SYSTEM Feb 9, 2023 Pending
Array ( [id] => 19266079 [patent_doc_number] => 20240209778 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => METHODS, SYSTEMS, AND APPARATUS TO CONTROL A FLUID PROVIDED TO COMPONENTS IN A FLUID PUMP OF A CLOSED LOOP SYSTEM [patent_app_type] => utility [patent_app_number] => 18/167723 [patent_app_country] => US [patent_app_date] => 2023-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28685 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18167723 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/167723
METHODS, SYSTEMS, AND APPARATUS TO CONTROL A FLUID PROVIDED TO COMPONENTS IN A FLUID PUMP OF A CLOSED LOOP SYSTEM Feb 9, 2023 Pending
Array ( [id] => 18452455 [patent_doc_number] => 20230193734 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => FRACTURING EQUIPMENT HAVING MULTIPLE ELECTRIC-POWER SUPPLIES [patent_app_type] => utility [patent_app_number] => 18/167676 [patent_app_country] => US [patent_app_date] => 2023-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14617 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18167676 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/167676
Fracturing equipment having multiple electric-power supplies Feb 9, 2023 Issued
Array ( [id] => 18452455 [patent_doc_number] => 20230193734 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => FRACTURING EQUIPMENT HAVING MULTIPLE ELECTRIC-POWER SUPPLIES [patent_app_type] => utility [patent_app_number] => 18/167676 [patent_app_country] => US [patent_app_date] => 2023-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14617 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18167676 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/167676
Fracturing equipment having multiple electric-power supplies Feb 9, 2023 Issued
Array ( [id] => 18436774 [patent_doc_number] => 20230184068 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => SYSTEM AND METHOD FOR EVALUATING RECIPROCATING DOWNHOLE PUMP DATA USING POLAR COORDINATE ANALYTICS [patent_app_type] => utility [patent_app_number] => 18/105992 [patent_app_country] => US [patent_app_date] => 2023-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6385 [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] => 18105992 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/105992
SYSTEM AND METHOD FOR EVALUATING RECIPROCATING DOWNHOLE PUMP DATA USING POLAR COORDINATE ANALYTICS Feb 5, 2023 Abandoned
Array ( [id] => 18392163 [patent_doc_number] => 20230160382 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => FLUID END [patent_app_type] => utility [patent_app_number] => 18/157973 [patent_app_country] => US [patent_app_date] => 2023-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28357 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18157973 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/157973
Fluid end Jan 22, 2023 Issued
Array ( [id] => 19374473 [patent_doc_number] => 12066030 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-20 [patent_title] => Fluid pump having at least one impeller blade and a support device [patent_app_type] => utility [patent_app_number] => 18/098761 [patent_app_country] => US [patent_app_date] => 2023-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 33 [patent_no_of_words] => 4591 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18098761 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/098761
Fluid pump having at least one impeller blade and a support device Jan 18, 2023 Issued
Array ( [id] => 18658491 [patent_doc_number] => 20230304487 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => DIAPHRAGM POSITION CONTROL SYSTEM [patent_app_type] => utility [patent_app_number] => 18/146744 [patent_app_country] => US [patent_app_date] => 2022-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3022 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18146744 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/146744
Diaphragm position control system Dec 26, 2022 Issued
Array ( [id] => 18758197 [patent_doc_number] => 20230361667 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => ELECTROMAGNETIC PUMP [patent_app_type] => utility [patent_app_number] => 18/084880 [patent_app_country] => US [patent_app_date] => 2022-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17213 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 443 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18084880 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/084880
Electromagnetic pump Dec 19, 2022 Issued
Array ( [id] => 19904651 [patent_doc_number] => 12281648 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-22 [patent_title] => Fracturing equipment [patent_app_type] => utility [patent_app_number] => 18/066499 [patent_app_country] => US [patent_app_date] => 2022-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18066499 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/066499
Fracturing equipment Dec 14, 2022 Issued
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