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] => 17007946 [patent_doc_number] => 20210239107 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-05 [patent_title] => ELASTIC DIAPHRAGM PUMP [patent_app_type] => utility [patent_app_number] => 17/239746 [patent_app_country] => US [patent_app_date] => 2021-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2005 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17239746 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/239746
ELASTIC DIAPHRAGM PUMP Apr 25, 2021 Abandoned
Array ( [id] => 17156773 [patent_doc_number] => 20210317824 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-14 [patent_title] => PUMP SYSTEM [patent_app_type] => utility [patent_app_number] => 17/224571 [patent_app_country] => US [patent_app_date] => 2021-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4911 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 17224571 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/224571
PUMP SYSTEM Apr 6, 2021 Abandoned
Array ( [id] => 17923440 [patent_doc_number] => 11466680 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-11 [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] => 17/301475 [patent_app_country] => US [patent_app_date] => 2021-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 14853 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17301475 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/301475
Systems and methods of utilization of a hydraulic fracturing unit profile to operate hydraulic fracturing units Apr 4, 2021 Issued
Array ( [id] => 17914070 [patent_doc_number] => 20220316465 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => SUBMERSIBLE PUMP WITH BARRIER FLUID ISOLATION OF MOTOR LUBRICATING LIQUID FROM PUMPED PRODUCT [patent_app_type] => utility [patent_app_number] => 17/217576 [patent_app_country] => US [patent_app_date] => 2021-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4743 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 284 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17217576 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/217576
Submersible pump with barrier fluid isolation of motor lubricating liquid from pumped product Mar 29, 2021 Issued
Array ( [id] => 17897829 [patent_doc_number] => 20220307491 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-29 [patent_title] => VARIABLE DISPLACEMENT PUMP WITH ACTIVE BYPASS FEEDBACK CONTROL [patent_app_type] => utility [patent_app_number] => 17/214669 [patent_app_country] => US [patent_app_date] => 2021-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1832 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17214669 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/214669
Variable displacement pump with active bypass feedback control Mar 25, 2021 Issued
Array ( [id] => 16948897 [patent_doc_number] => 20210207588 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-08 [patent_title] => POWER SOURCES AND TRANSMISSION NETWORKS FOR AUXILIARY EQUIPMENT ONBOARD HYDRAULIC FRACTURING UNITS AND ASSOCIATED METHODS [patent_app_type] => utility [patent_app_number] => 17/203002 [patent_app_country] => US [patent_app_date] => 2021-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11632 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17203002 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/203002
Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods Mar 15, 2021 Issued
Array ( [id] => 16933220 [patent_doc_number] => 20210199109 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-01 [patent_title] => PNEUMATIC PUMP CONTROL SYSTEM [patent_app_type] => utility [patent_app_number] => 17/198905 [patent_app_country] => US [patent_app_date] => 2021-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3036 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17198905 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/198905
Pneumatic pump control system Mar 10, 2021 Issued
Array ( [id] => 18748957 [patent_doc_number] => 11808259 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-07 [patent_title] => Double acting pump design utilizing two rotating discs [patent_app_type] => utility [patent_app_number] => 17/197709 [patent_app_country] => US [patent_app_date] => 2021-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 6116 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 284 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17197709 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/197709
Double acting pump design utilizing two rotating discs Mar 9, 2021 Issued
Array ( [id] => 18392156 [patent_doc_number] => 20230160375 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => LINEAR FRAC PUMP ASSEMBLY [patent_app_type] => utility [patent_app_number] => 17/905588 [patent_app_country] => US [patent_app_date] => 2021-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1636 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17905588 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/905588
LINEAR FRAC PUMP ASSEMBLY Mar 8, 2021 Abandoned
Array ( [id] => 18129307 [patent_doc_number] => 11555509 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-17 [patent_title] => Motorized pressure exchanger with a low-pressure centerbore [patent_app_type] => utility [patent_app_number] => 17/190379 [patent_app_country] => US [patent_app_date] => 2021-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 10515 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17190379 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/190379
Motorized pressure exchanger with a low-pressure centerbore Mar 1, 2021 Issued
Array ( [id] => 16933216 [patent_doc_number] => 20210199105 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-01 [patent_title] => PUMP [patent_app_type] => utility [patent_app_number] => 17/182337 [patent_app_country] => US [patent_app_date] => 2021-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7758 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17182337 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/182337
Pump Feb 22, 2021 Issued
Array ( [id] => 20173602 [patent_doc_number] => 12392337 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-19 [patent_title] => Method to operate a vacuum system [patent_app_type] => utility [patent_app_number] => 17/904837 [patent_app_country] => US [patent_app_date] => 2021-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 0 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 257 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17904837 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/904837
Method to operate a vacuum system Feb 21, 2021 Issued
Array ( [id] => 18217094 [patent_doc_number] => 11592020 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-28 [patent_title] => Fracturing equipment [patent_app_type] => utility [patent_app_number] => 17/170141 [patent_app_country] => US [patent_app_date] => 2021-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3173 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17170141 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/170141
Fracturing equipment Feb 7, 2021 Issued
Array ( [id] => 18217094 [patent_doc_number] => 11592020 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-28 [patent_title] => Fracturing equipment [patent_app_type] => utility [patent_app_number] => 17/170141 [patent_app_country] => US [patent_app_date] => 2021-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3173 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17170141 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/170141
Fracturing equipment Feb 7, 2021 Issued
Array ( [id] => 18217094 [patent_doc_number] => 11592020 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-28 [patent_title] => Fracturing equipment [patent_app_type] => utility [patent_app_number] => 17/170141 [patent_app_country] => US [patent_app_date] => 2021-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3173 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17170141 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/170141
Fracturing equipment Feb 7, 2021 Issued
Array ( [id] => 18173197 [patent_doc_number] => 11572899 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-07 [patent_title] => Pressure exchanger for hydraulic fracking [patent_app_type] => utility [patent_app_number] => 17/169840 [patent_app_country] => US [patent_app_date] => 2021-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8817 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17169840 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/169840
Pressure exchanger for hydraulic fracking Feb 7, 2021 Issued
Array ( [id] => 18217094 [patent_doc_number] => 11592020 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-28 [patent_title] => Fracturing equipment [patent_app_type] => utility [patent_app_number] => 17/170141 [patent_app_country] => US [patent_app_date] => 2021-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3173 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17170141 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/170141
Fracturing equipment Feb 7, 2021 Issued
Array ( [id] => 18210867 [patent_doc_number] => 20230057129 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-23 [patent_title] => ALTERNATIVE COMPRESSOR HEAD ARRANGEMENT [patent_app_type] => utility [patent_app_number] => 17/797078 [patent_app_country] => US [patent_app_date] => 2021-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4799 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [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] => 17797078 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/797078
Alternative compressor head arrangement Feb 4, 2021 Issued
Array ( [id] => 19651943 [patent_doc_number] => 12173720 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-24 [patent_title] => Identification method and air blowing system [patent_app_type] => utility [patent_app_number] => 17/905139 [patent_app_country] => US [patent_app_date] => 2021-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 25 [patent_no_of_words] => 12175 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 339 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17905139 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/905139
Identification method and air blowing system Jan 28, 2021 Issued
Array ( [id] => 18718599 [patent_doc_number] => 11795935 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-24 [patent_title] => Well pump with float controlled check valves [patent_app_type] => utility [patent_app_number] => 17/157276 [patent_app_country] => US [patent_app_date] => 2021-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2074 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17157276 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/157276
Well pump with float controlled check valves Jan 24, 2021 Issued
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