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] => 18193514 [patent_doc_number] => 20230047033 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-16 [patent_title] => FRACTURING APPARATUS AND VIBRATION REDUCTION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/693218 [patent_app_country] => US [patent_app_date] => 2022-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9450 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17693218 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/693218
Fracturing apparatus and vibration reduction method thereof Mar 10, 2022 Issued
Array ( [id] => 19038595 [patent_doc_number] => 20240088410 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => FUEL CELL MEMBRANE HUMIDIFIER [patent_app_type] => utility [patent_app_number] => 18/262437 [patent_app_country] => US [patent_app_date] => 2022-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4501 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18262437 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/262437
FUEL CELL MEMBRANE HUMIDIFIER Mar 7, 2022 Pending
Array ( [id] => 19449734 [patent_doc_number] => 20240309864 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => METHOD AND PUMP FOR LOW-FLOW PROPORTIONAL METERING [patent_app_type] => utility [patent_app_number] => 18/548688 [patent_app_country] => US [patent_app_date] => 2022-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4606 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18548688 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/548688
METHOD AND PUMP FOR LOW-FLOW PROPORTIONAL METERING Feb 24, 2022 Pending
Array ( [id] => 18166824 [patent_doc_number] => 20230033429 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-02 [patent_title] => VACUUM PUMP SYSTEM AND METHOD FOR OPERATING A VACUUM PUMP SYSTEM [patent_app_type] => utility [patent_app_number] => 17/672536 [patent_app_country] => US [patent_app_date] => 2022-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2309 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17672536 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/672536
Vacuum pump system and method for operating a vacuum pump system Feb 14, 2022 Issued
Array ( [id] => 19940933 [patent_doc_number] => 12313057 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Optimizing an efficiency of a positive displacement pump with a constant or near-constant speed power source [patent_app_type] => utility [patent_app_number] => 17/650780 [patent_app_country] => US [patent_app_date] => 2022-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2493 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17650780 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/650780
Optimizing an efficiency of a positive displacement pump with a constant or near-constant speed power source Feb 10, 2022 Issued
Array ( [id] => 19258631 [patent_doc_number] => 12018679 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-25 [patent_title] => Vane pump [patent_app_type] => utility [patent_app_number] => 17/586093 [patent_app_country] => US [patent_app_date] => 2022-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 14 [patent_no_of_words] => 4740 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17586093 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/586093
Vane pump Jan 26, 2022 Issued
Array ( [id] => 17777366 [patent_doc_number] => 20220243715 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-04 [patent_title] => THIN GAS TRANSPORTATION DEVICE [patent_app_type] => utility [patent_app_number] => 17/585794 [patent_app_country] => US [patent_app_date] => 2022-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4828 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 295 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17585794 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/585794
Thin gas transportation device Jan 26, 2022 Issued
Array ( [id] => 19113570 [patent_doc_number] => 20240125320 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => High-power five-cylinder drilling pump set, solid control system and drilling rig [patent_app_type] => utility [patent_app_number] => 18/278810 [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] => 8249 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18278810 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/278810
High-power five-cylinder drilling pump set, solid control system and drilling rig Jan 24, 2022 Pending
Array ( [id] => 19218640 [patent_doc_number] => 20240183344 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => Efficient five-cylinder drilling pump system, solids control system and drilling rig [patent_app_type] => utility [patent_app_number] => 18/286361 [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] => 11054 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -38 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18286361 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/286361
Efficient five-cylinder drilling pump system, solids control system and drilling rig Jan 24, 2022 Pending
Array ( [id] => 17763137 [patent_doc_number] => 20220236749 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => FLUSHING PUMP [patent_app_type] => utility [patent_app_number] => 17/583327 [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] => 2754 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17583327 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/583327
Flushing pump Jan 24, 2022 Issued
Array ( [id] => 17750268 [patent_doc_number] => 20220228473 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-21 [patent_title] => Sucker rod pump automated control method and system [patent_app_type] => utility [patent_app_number] => 17/579631 [patent_app_country] => US [patent_app_date] => 2022-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3713 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17579631 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/579631
Sucker rod pump automated control method and system Jan 19, 2022 Abandoned
Array ( [id] => 19972381 [patent_doc_number] => 12341000 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Substrate processing apparatus and recording medium [patent_app_type] => utility [patent_app_number] => 17/576670 [patent_app_country] => US [patent_app_date] => 2022-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5891 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17576670 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/576670
Substrate processing apparatus and recording medium Jan 13, 2022 Issued
Array ( [id] => 17561065 [patent_doc_number] => 20220125214 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => Built-In Air Pump Assembly [patent_app_type] => utility [patent_app_number] => 17/572149 [patent_app_country] => US [patent_app_date] => 2022-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6735 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17572149 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/572149
Built-in air pump assembly Jan 9, 2022 Issued
Array ( [id] => 19412347 [patent_doc_number] => 12078157 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-03 [patent_title] => Variable displacement piston pump with electronic control unit to provide direct metering control [patent_app_type] => utility [patent_app_number] => 17/562214 [patent_app_country] => US [patent_app_date] => 2021-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4684 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17562214 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/562214
Variable displacement piston pump with electronic control unit to provide direct metering control Dec 26, 2021 Issued
Array ( [id] => 19004395 [patent_doc_number] => 20240068466 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => PROGRAM UPDATE METHOD FOR THE GAS COMPRESSOR SYSTEM [patent_app_type] => utility [patent_app_number] => 18/261976 [patent_app_country] => US [patent_app_date] => 2021-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3045 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18261976 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/261976
Program update method for the gas compressor system Dec 20, 2021 Issued
Array ( [id] => 19203542 [patent_doc_number] => 20240175441 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => DECOMPRESSION SYSTEM, CONTROL DEVICE, AND CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 18/551342 [patent_app_country] => US [patent_app_date] => 2021-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7804 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18551342 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/551342
Decompression system, control device, and control method Dec 19, 2021 Issued
Array ( [id] => 18071775 [patent_doc_number] => 11530602 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-20 [patent_title] => Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods [patent_app_type] => utility [patent_app_number] => 17/555815 [patent_app_country] => US [patent_app_date] => 2021-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 21 [patent_no_of_words] => 11713 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 426 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17555815 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/555815
Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods Dec 19, 2021 Issued
Array ( [id] => 19019240 [patent_doc_number] => 20240075411 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => DEGASSING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/269008 [patent_app_country] => US [patent_app_date] => 2021-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6971 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 288 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18269008 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/269008
DEGASSING APPARATUS Dec 15, 2021 Pending
Array ( [id] => 18355624 [patent_doc_number] => 11644018 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-09 [patent_title] => Fluid end [patent_app_type] => utility [patent_app_number] => 17/550552 [patent_app_country] => US [patent_app_date] => 2021-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 116 [patent_figures_cnt] => 239 [patent_no_of_words] => 32123 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17550552 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/550552
Fluid end Dec 13, 2021 Issued
Array ( [id] => 19631901 [patent_doc_number] => 20240410350 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => MICRO DIAPHRAGM PUMP [patent_app_type] => utility [patent_app_number] => 18/699720 [patent_app_country] => US [patent_app_date] => 2021-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4773 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18699720 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/699720
MICRO DIAPHRAGM PUMP Dec 5, 2021 Pending
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