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] => 17474596 [patent_doc_number] => 20220082100 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-17 [patent_title] => METHOD FOR CONTROLLING A ROTARY SCREW COMPRESSOR [patent_app_type] => utility [patent_app_number] => 17/536562 [patent_app_country] => US [patent_app_date] => 2021-11-29 [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] => -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] => 17536562 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/536562
Method for controlling a rotary screw compressor Nov 28, 2021 Issued
Array ( [id] => 18702017 [patent_doc_number] => 11788519 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-17 [patent_title] => Turbine fracturing equipment [patent_app_type] => utility [patent_app_number] => 17/531817 [patent_app_country] => US [patent_app_date] => 2021-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2713 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17531817 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/531817
Turbine fracturing equipment Nov 21, 2021 Issued
Array ( [id] => 18807136 [patent_doc_number] => 20230381469 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => DRUG DELIVERY BALLOON CATHETER [patent_app_type] => utility [patent_app_number] => 18/033528 [patent_app_country] => US [patent_app_date] => 2021-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14506 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18033528 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/033528
DRUG DELIVERY BALLOON CATHETER Nov 15, 2021 Pending
Array ( [id] => 17461096 [patent_doc_number] => 20220074401 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-10 [patent_title] => FLUID CONTROL APPARATUS [patent_app_type] => utility [patent_app_number] => 17/455051 [patent_app_country] => US [patent_app_date] => 2021-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7269 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 464 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17455051 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/455051
Fluid control apparatus Nov 15, 2021 Issued
Array ( [id] => 17665932 [patent_doc_number] => 11359615 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-14 [patent_title] => Fluid end [patent_app_type] => utility [patent_app_number] => 17/515707 [patent_app_country] => US [patent_app_date] => 2021-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 83 [patent_figures_cnt] => 183 [patent_no_of_words] => 28314 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17515707 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/515707
Fluid end Oct 31, 2021 Issued
Array ( [id] => 19397588 [patent_doc_number] => 12071942 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-27 [patent_title] => Variable displacement pumps [patent_app_type] => utility [patent_app_number] => 17/508600 [patent_app_country] => US [patent_app_date] => 2021-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5396 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17508600 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/508600
Variable displacement pumps Oct 21, 2021 Issued
Array ( [id] => 17386359 [patent_doc_number] => 20220034211 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => MOBILE FRACTURING PUMP TRANSPORT FOR HYDRAULIC FRACTURING OF SUBSURFACE GEOLOGICAL FORMATIONS [patent_app_type] => utility [patent_app_number] => 17/500525 [patent_app_country] => US [patent_app_date] => 2021-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14205 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17500525 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/500525
Mobile fracturing pump transport for hydraulic fracturing of subsurface geological formations Oct 12, 2021 Issued
Array ( [id] => 18526778 [patent_doc_number] => 11713767 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-01 [patent_title] => Inflation product with built-in air pump [patent_app_type] => utility [patent_app_number] => 17/488822 [patent_app_country] => US [patent_app_date] => 2021-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 2334 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [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] => 17488822 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/488822
Inflation product with built-in air pump Sep 28, 2021 Issued
Array ( [id] => 18818248 [patent_doc_number] => 20230392588 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => VARIABLE DISPLACEMENT SWASH PLATE TYPE COMPRESSOR [patent_app_type] => utility [patent_app_number] => 18/249278 [patent_app_country] => US [patent_app_date] => 2021-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5148 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18249278 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/249278
Variable displacement swash plate type compressor Sep 28, 2021 Issued
Array ( [id] => 17357543 [patent_doc_number] => 20220018339 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-20 [patent_title] => VARIABLE STROKE PUMP [patent_app_type] => utility [patent_app_number] => 17/449186 [patent_app_country] => US [patent_app_date] => 2021-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11340 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17449186 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/449186
Variable stroke pump Sep 27, 2021 Issued
Array ( [id] => 17344467 [patent_doc_number] => 20220010798 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-13 [patent_title] => BACKPACK BLOWER [patent_app_type] => utility [patent_app_number] => 17/486343 [patent_app_country] => US [patent_app_date] => 2021-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5696 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17486343 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/486343
BACKPACK BLOWER Sep 26, 2021 Abandoned
Array ( [id] => 17546902 [patent_doc_number] => 20220118243 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => HEART PUMP [patent_app_type] => utility [patent_app_number] => 17/484174 [patent_app_country] => US [patent_app_date] => 2021-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 32510 [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] => 17484174 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/484174
Heart pump Sep 23, 2021 Issued
Array ( [id] => 19181616 [patent_doc_number] => 11988200 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-21 [patent_title] => Multi-stage compressor [patent_app_type] => utility [patent_app_number] => 17/473335 [patent_app_country] => US [patent_app_date] => 2021-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 8577 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17473335 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/473335
Multi-stage compressor Sep 12, 2021 Issued
Array ( [id] => 17785302 [patent_doc_number] => 11408417 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-08-09 [patent_title] => Automatic selection and control of pumps for well stimulation operations [patent_app_type] => utility [patent_app_number] => 17/471988 [patent_app_country] => US [patent_app_date] => 2021-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 6668 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17471988 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/471988
Automatic selection and control of pumps for well stimulation operations Sep 9, 2021 Issued
Array ( [id] => 18526768 [patent_doc_number] => 11713757 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-01 [patent_title] => Pump integrated with two independently driven prime movers [patent_app_type] => utility [patent_app_number] => 17/411326 [patent_app_country] => US [patent_app_date] => 2021-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 13067 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17411326 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/411326
Pump integrated with two independently driven prime movers Aug 24, 2021 Issued
Array ( [id] => 17506239 [patent_doc_number] => 20220099342 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => FUEL DRIVEN NEAR ISOTHERMAL COMPRESSOR [patent_app_type] => utility [patent_app_number] => 17/396968 [patent_app_country] => US [patent_app_date] => 2021-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5238 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17396968 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/396968
Fuel driven near isothermal compressor Aug 8, 2021 Issued
Array ( [id] => 17315421 [patent_doc_number] => 20210404469 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-30 [patent_title] => METHOD FOR OPERATING A VACUUM PUMP SYSTEM AND VACUUM PUMP SYSTEM APPLYING SUCH METHOD [patent_app_type] => utility [patent_app_number] => 17/391086 [patent_app_country] => US [patent_app_date] => 2021-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9281 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17391086 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/391086
Method for operating a vacuum pump system and vacuum pump system applying such method Aug 1, 2021 Issued
Array ( [id] => 18605315 [patent_doc_number] => 11746772 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-05 [patent_title] => Miniature fluid transportation device [patent_app_type] => utility [patent_app_number] => 17/391911 [patent_app_country] => US [patent_app_date] => 2021-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 32 [patent_no_of_words] => 7744 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 741 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17391911 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/391911
Miniature fluid transportation device Aug 1, 2021 Issued
Array ( [id] => 17823274 [patent_doc_number] => 11428218 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-30 [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] => 17/386708 [patent_app_country] => US [patent_app_date] => 2021-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 14895 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 419 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17386708 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/386708
Systems and methods of utilization of a hydraulic fracturing unit profile to operate hydraulic fracturing units Jul 27, 2021 Issued
Array ( [id] => 18733831 [patent_doc_number] => 11802555 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-31 [patent_title] => Piezoelectric pump [patent_app_type] => utility [patent_app_number] => 17/387322 [patent_app_country] => US [patent_app_date] => 2021-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 18 [patent_no_of_words] => 9587 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17387322 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/387322
Piezoelectric pump Jul 27, 2021 Issued
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