Search

Charles Grant Freay

Examiner (ID: 12169, Phone: (571)272-4827 , Office: P/3746 )

Most Active Art Unit
3746
Art Unit(s)
3746, 3304, 3727, 2899, 3403
Total Applications
3893
Issued Applications
3039
Pending Applications
374
Abandoned Applications
517

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19067933 [patent_doc_number] => 20240102359 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => LIQUID-COOLED FRACTURING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/463748 [patent_app_country] => US [patent_app_date] => 2023-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6551 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18463748 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/463748
LIQUID-COOLED FRACTURING SYSTEM Sep 7, 2023 Pending
Array ( [id] => 19474543 [patent_doc_number] => 12104622 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-01 [patent_title] => Motorized pressure exchanger with a low-pressure centerbore [patent_app_type] => utility [patent_app_number] => 18/237721 [patent_app_country] => US [patent_app_date] => 2023-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 10557 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18237721 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/237721
Motorized pressure exchanger with a low-pressure centerbore Aug 23, 2023 Issued
Array ( [id] => 19020899 [patent_doc_number] => 20240077070 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => PERISTALTIC PUMP TUBING MOUNT AND ITS USE [patent_app_type] => utility [patent_app_number] => 18/237476 [patent_app_country] => US [patent_app_date] => 2023-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2655 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 300 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18237476 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/237476
PERISTALTIC PUMP TUBING MOUNT AND ITS USE Aug 23, 2023 Pending
Array ( [id] => 19801334 [patent_doc_number] => 20250067259 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => BOOSTER PUMP CONTROLLER AND METHOD OF USE [patent_app_type] => utility [patent_app_number] => 18/453820 [patent_app_country] => US [patent_app_date] => 2023-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6435 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18453820 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/453820
Booster pump controller and method of use Aug 21, 2023 Issued
Array ( [id] => 20245860 [patent_doc_number] => 12426204 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Liquid cooling pumping unit [patent_app_type] => utility [patent_app_number] => 18/350780 [patent_app_country] => US [patent_app_date] => 2023-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 0 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18350780 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/350780
Liquid cooling pumping unit Jul 11, 2023 Issued
Array ( [id] => 18903481 [patent_doc_number] => 20240018966 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => CENTRIFUGAL COMPRESSOR [patent_app_type] => utility [patent_app_number] => 18/216742 [patent_app_country] => US [patent_app_date] => 2023-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10689 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18216742 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/216742
Centrifugal compressor Jun 29, 2023 Issued
Array ( [id] => 19368806 [patent_doc_number] => 12060883 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-13 [patent_title] => Pump integrated with two independently driven prime movers [patent_app_type] => utility [patent_app_number] => 18/331430 [patent_app_country] => US [patent_app_date] => 2023-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 13087 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18331430 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/331430
Pump integrated with two independently driven prime movers Jun 7, 2023 Issued
Array ( [id] => 18702016 [patent_doc_number] => 11788518 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-10-17 [patent_title] => Low-profile solar-powered flood control device [patent_app_type] => utility [patent_app_number] => 18/324746 [patent_app_country] => US [patent_app_date] => 2023-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 18 [patent_no_of_words] => 5618 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18324746 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/324746
Low-profile solar-powered flood control device May 25, 2023 Issued
Array ( [id] => 18771576 [patent_doc_number] => 20230366397 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => SYSTEMS AND METHODS FOR OPERATION MODES FOR AN AIR COMPRESSOR [patent_app_type] => utility [patent_app_number] => 18/317536 [patent_app_country] => US [patent_app_date] => 2023-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11779 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18317536 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/317536
Systems and methods for operation modes for an air compressor May 14, 2023 Issued
Array ( [id] => 18613121 [patent_doc_number] => 20230279857 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => METHOD FOR CONTROLLING A ROTARY SCREW COMPRESSOR [patent_app_type] => utility [patent_app_number] => 18/316725 [patent_app_country] => US [patent_app_date] => 2023-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3018 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18316725 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/316725
Method for controlling a rotary screw compressor May 11, 2023 Issued
Array ( [id] => 18613025 [patent_doc_number] => 20230279761 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => SYSTEMS AND METHODS TO MONITOR, DETECT, AND/OR INTERVENE RELATIVE TO CAVITATION AND PULSATION EVENTS DURING A HYDRAULIC FRACTURING OPERATION [patent_app_type] => utility [patent_app_number] => 18/196001 [patent_app_country] => US [patent_app_date] => 2023-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16520 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18196001 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/196001
SYSTEMS AND METHODS TO MONITOR, DETECT, AND/OR INTERVENE RELATIVE TO CAVITATION AND PULSATION EVENTS DURING A HYDRAULIC FRACTURING OPERATION May 10, 2023 Pending
Array ( [id] => 19242531 [patent_doc_number] => 12012955 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-18 [patent_title] => Fluid end [patent_app_type] => utility [patent_app_number] => 18/313515 [patent_app_country] => US [patent_app_date] => 2023-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 116 [patent_figures_cnt] => 239 [patent_no_of_words] => 32258 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18313515 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/313515
Fluid end May 7, 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] => 19932430 [patent_doc_number] => 12305629 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-20 [patent_title] => Diaphragm pump [patent_app_type] => utility [patent_app_number] => 18/307574 [patent_app_country] => US [patent_app_date] => 2023-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 343 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18307574 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/307574
Diaphragm pump Apr 25, 2023 Issued
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] => 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
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