Search

Charles Grant Freay

Examiner (ID: 5456, Phone: (571)272-4827 , Office: P/3746 )

Most Active Art Unit
3746
Art Unit(s)
3727, 3403, 3746, 3304, 2899
Total Applications
3911
Issued Applications
3057
Pending Applications
360
Abandoned Applications
518

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18871830 [patent_doc_number] => 11859622 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-02 [patent_title] => PAP system blower [patent_app_type] => utility [patent_app_number] => 17/887147 [patent_app_country] => US [patent_app_date] => 2022-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 71 [patent_figures_cnt] => 151 [patent_no_of_words] => 16230 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17887147 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/887147
PAP system blower Aug 11, 2022 Issued
Array ( [id] => 18066020 [patent_doc_number] => 20220397107 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-15 [patent_title] => FLUID END ASSEMBLY [patent_app_type] => utility [patent_app_number] => 17/884712 [patent_app_country] => US [patent_app_date] => 2022-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18653 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17884712 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/884712
Fluid end assembly Aug 9, 2022 Issued
Array ( [id] => 20439239 [patent_doc_number] => 12510069 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [patent_title] => Method for determining control model parameters of a control model of an axial piston pump [patent_app_type] => utility [patent_app_number] => 18/294448 [patent_app_country] => US [patent_app_date] => 2022-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 395 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18294448 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/294448
Method for determining control model parameters of a control model of an axial piston pump Aug 7, 2022 Issued
Array ( [id] => 20006332 [patent_doc_number] => 20250144554 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => AIR FILTRATION ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/681365 [patent_app_country] => US [patent_app_date] => 2022-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3268 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 18681365 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/681365
AIR FILTRATION ASSEMBLY Jul 26, 2022 Pending
Array ( [id] => 19449748 [patent_doc_number] => 20240309878 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => INTEGRALLY GEARED COMPRESSOR WITH AN AXIAL COMPRESSOR UNIT AND METHOD [patent_app_type] => utility [patent_app_number] => 18/576413 [patent_app_country] => US [patent_app_date] => 2022-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2765 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18576413 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/576413
INTEGRALLY GEARED COMPRESSOR WITH AN AXIAL COMPRESSOR UNIT AND METHOD Jun 29, 2022 Pending
Array ( [id] => 19932437 [patent_doc_number] => 12305636 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-20 [patent_title] => Motor driven pump with prognostic health monitoring based on motor characteristics [patent_app_type] => utility [patent_app_number] => 17/849877 [patent_app_country] => US [patent_app_date] => 2022-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17849877 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/849877
Motor driven pump with prognostic health monitoring based on motor characteristics Jun 26, 2022 Issued
Array ( [id] => 17897824 [patent_doc_number] => 20220307486 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-29 [patent_title] => FLUID END [patent_app_type] => utility [patent_app_number] => 17/838362 [patent_app_country] => US [patent_app_date] => 2022-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28339 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17838362 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/838362
Fluid end Jun 12, 2022 Issued
Array ( [id] => 18045453 [patent_doc_number] => 11519395 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-06 [patent_title] => Turbine-driven fracturing system on semi-trailer [patent_app_type] => utility [patent_app_number] => 17/829881 [patent_app_country] => US [patent_app_date] => 2022-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 9210 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [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] => 17829881 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/829881
Turbine-driven fracturing system on semi-trailer May 31, 2022 Issued
Array ( [id] => 17867928 [patent_doc_number] => 20220290664 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-15 [patent_title] => FLUID CONTROL DEVICE [patent_app_type] => utility [patent_app_number] => 17/804858 [patent_app_country] => US [patent_app_date] => 2022-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7800 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17804858 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/804858
Fluid control device May 31, 2022 Issued
Array ( [id] => 18809406 [patent_doc_number] => 20230383741 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => METHOD FOR DETERMINING A DISCHARGE PRESSURE OF A ROLLING PISTON COMPRESSOR [patent_app_type] => utility [patent_app_number] => 17/752216 [patent_app_country] => US [patent_app_date] => 2022-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8124 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17752216 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/752216
Method for determining a discharge pressure of a rolling piston compressor May 23, 2022 Issued
Array ( [id] => 20357917 [patent_doc_number] => 12473905 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Microfluidic pump control [patent_app_type] => utility [patent_app_number] => 18/561696 [patent_app_country] => US [patent_app_date] => 2022-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 17 [patent_no_of_words] => 7302 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18561696 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/561696
Microfluidic pump control May 18, 2022 Issued
Array ( [id] => 18005687 [patent_doc_number] => 20220364453 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => FRACTURING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/743267 [patent_app_country] => US [patent_app_date] => 2022-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5587 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17743267 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/743267
Fracturing apparatus May 11, 2022 Issued
Array ( [id] => 19587153 [patent_doc_number] => 20240384710 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => INSTALLATION FOR PUMPING CRYOGENIC FLUID AND FILLING STATION COMPRISING SUCH AN INSTALLATION [patent_app_type] => utility [patent_app_number] => 18/569876 [patent_app_country] => US [patent_app_date] => 2022-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4168 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18569876 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/569876
INSTALLATION FOR PUMPING CRYOGENIC FLUID AND FILLING STATION COMPRISING SUCH AN INSTALLATION May 4, 2022 Pending
Array ( [id] => 19676611 [patent_doc_number] => 12188463 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-07 [patent_title] => Air compressor for vehicle and method for controlling temperature of the same [patent_app_type] => utility [patent_app_number] => 17/736730 [patent_app_country] => US [patent_app_date] => 2022-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7208 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17736730 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/736730
Air compressor for vehicle and method for controlling temperature of the same May 3, 2022 Issued
Array ( [id] => 19275001 [patent_doc_number] => 12025121 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Lubricant structure and lubricant method for belt pumping unit [patent_app_type] => utility [patent_app_number] => 17/728622 [patent_app_country] => US [patent_app_date] => 2022-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5680 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17728622 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/728622
Lubricant structure and lubricant method for belt pumping unit Apr 24, 2022 Issued
Array ( [id] => 19412353 [patent_doc_number] => 12078163 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-03 [patent_title] => Pump wear detection system [patent_app_type] => utility [patent_app_number] => 17/660069 [patent_app_country] => US [patent_app_date] => 2022-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4659 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17660069 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/660069
Pump wear detection system Apr 20, 2022 Issued
Array ( [id] => 17721160 [patent_doc_number] => 20220213880 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-07 [patent_title] => METHODS AND SYSTEMS FOR COOLING A VACUUM PUMP [patent_app_type] => utility [patent_app_number] => 17/700163 [patent_app_country] => US [patent_app_date] => 2022-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5490 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 17700163 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/700163
Methods and systems for cooling a vacuum pump Mar 20, 2022 Issued
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] => 20534798 [patent_doc_number] => 12551850 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-17 [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] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [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 Issued
Array ( [id] => 20439233 [patent_doc_number] => 12510063 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [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] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [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 Issued
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