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] => 13577981 [patent_doc_number] => 20180340539 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-29 [patent_title] => LIQUID SENSING SWITCH [patent_app_type] => utility [patent_app_number] => 15/988240 [patent_app_country] => US [patent_app_date] => 2018-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2419 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15988240 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/988240
Liquid sensing switch May 23, 2018 Issued
Array ( [id] => 18247284 [patent_doc_number] => 11603861 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-14 [patent_title] => System for the circulation of gas in airs gaps of rotating machines [patent_app_type] => utility [patent_app_number] => 16/613080 [patent_app_country] => US [patent_app_date] => 2018-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2407 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [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] => 16613080 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/613080
System for the circulation of gas in airs gaps of rotating machines May 8, 2018 Issued
Array ( [id] => 13401393 [patent_doc_number] => 20180252239 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-06 [patent_title] => SYSTEM AND METHOD FOR IMPROVED DUCT PRESSURE TRANSFER IN PRESSURE EXCHANGE SYSTEM [patent_app_type] => utility [patent_app_number] => 15/972931 [patent_app_country] => US [patent_app_date] => 2018-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7761 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 15972931 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/972931
System and method for improved duct pressure transfer in pressure exchange system May 6, 2018 Issued
Array ( [id] => 14232149 [patent_doc_number] => 20190128247 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-02 [patent_title] => System and Method for a Reciprocating Injection Pump [patent_app_type] => utility [patent_app_number] => 15/968870 [patent_app_country] => US [patent_app_date] => 2018-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5065 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15968870 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/968870
System and Method for a Reciprocating Injection Pump May 1, 2018 Abandoned
Array ( [id] => 14898623 [patent_doc_number] => 20190293077 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-26 [patent_title] => MULTI-FAN ASSEMBLY CONTROL [patent_app_type] => utility [patent_app_number] => 15/969035 [patent_app_country] => US [patent_app_date] => 2018-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7565 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 15969035 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/969035
Multi-fan assembly control May 1, 2018 Issued
Array ( [id] => 15040207 [patent_doc_number] => 20190331108 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-31 [patent_title] => COMPRESSOR PROVIDED WITH SAFETY RELIEF VALVE ASSEMBLY [patent_app_type] => utility [patent_app_number] => 15/966517 [patent_app_country] => US [patent_app_date] => 2018-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5909 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15966517 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/966517
Compressor provided with safety relief valve assembly Apr 29, 2018 Issued
Array ( [id] => 15542247 [patent_doc_number] => 10570894 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-25 [patent_title] => Concrete pump system and method [patent_app_type] => utility [patent_app_number] => 15/955936 [patent_app_country] => US [patent_app_date] => 2018-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 192 [patent_figures_cnt] => 192 [patent_no_of_words] => 18618 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 449 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15955936 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/955936
Concrete pump system and method Apr 17, 2018 Issued
Array ( [id] => 18186720 [patent_doc_number] => 11577282 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-14 [patent_title] => Pressurized cleaning apparatus comprising a pressure generation unit [patent_app_type] => utility [patent_app_number] => 16/603734 [patent_app_country] => US [patent_app_date] => 2018-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 9508 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16603734 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/603734
Pressurized cleaning apparatus comprising a pressure generation unit Apr 11, 2018 Issued
Array ( [id] => 16407455 [patent_doc_number] => 10816001 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-10-27 [patent_title] => Compressor system with internal air-water cooling [patent_app_type] => utility [patent_app_number] => 15/950098 [patent_app_country] => US [patent_app_date] => 2018-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6993 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15950098 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/950098
Compressor system with internal air-water cooling Apr 9, 2018 Issued
Array ( [id] => 13480719 [patent_doc_number] => 20180291902 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-11 [patent_title] => METHOD FOR CONTROLLING A ROTARY SCREW COMPRESSOR [patent_app_type] => utility [patent_app_number] => 15/950099 [patent_app_country] => US [patent_app_date] => 2018-04-10 [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] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15950099 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/950099
Method for controlling a rotary screw compressor Apr 9, 2018 Issued
Array ( [id] => 13445985 [patent_doc_number] => 20180274535 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-27 [patent_title] => HOLLOW PISTON PUMP [patent_app_type] => utility [patent_app_number] => 15/935461 [patent_app_country] => US [patent_app_date] => 2018-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6479 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15935461 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/935461
HOLLOW PISTON PUMP Mar 25, 2018 Abandoned
Array ( [id] => 12910582 [patent_doc_number] => 20180195370 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-12 [patent_title] => PRESSURE EXCHANGER SYSTEM WITH INTEGRAL PRESSURE BALANCING SYSTEM [patent_app_type] => utility [patent_app_number] => 15/914144 [patent_app_country] => US [patent_app_date] => 2018-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4702 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15914144 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/914144
Pressure exchanger system with integral pressure balancing system Mar 6, 2018 Issued
Array ( [id] => 14809411 [patent_doc_number] => 20190271315 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-05 [patent_title] => METHOD FOR OPERATING A ROLLING PISTON COMPRESSOR [patent_app_type] => utility [patent_app_number] => 15/911226 [patent_app_country] => US [patent_app_date] => 2018-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7732 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 15911226 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/911226
Method for operating a rolling piston compressor Mar 4, 2018 Issued
Array ( [id] => 16583601 [patent_doc_number] => 20210018003 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-21 [patent_title] => VACUUM PUMP EXHAUST SYSTEM, VACUUM PUMP PROVIDED FOR VACUUM PUMP EXHAUST SYSTEM, PURGE GAS SUPPLY UNIT, TEMPERATURE SENSOR UNIT, AND EXHAUSTING METHOD OF VACUUM PUMP [patent_app_type] => utility [patent_app_number] => 16/491909 [patent_app_country] => US [patent_app_date] => 2018-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6706 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16491909 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/491909
Vacuum pump exhaust system, vacuum pump provided for vacuum pump exhaust system, purge gas supply unit, temperature sensor unit, and exhausting method of vacuum pump Mar 1, 2018 Issued
Array ( [id] => 16771580 [patent_doc_number] => 10982679 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-04-20 [patent_title] => Blowing apparatus [patent_app_type] => utility [patent_app_number] => 15/898761 [patent_app_country] => US [patent_app_date] => 2018-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 4988 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15898761 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/898761
Blowing apparatus Feb 18, 2018 Issued
Array ( [id] => 13903309 [patent_doc_number] => 20190040859 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-07 [patent_title] => METHOD OF ACTUATION OF AN ALTERNATING TANGENTIAL FLOW DIAPHRAGM PUMP [patent_app_type] => utility [patent_app_number] => 15/892214 [patent_app_country] => US [patent_app_date] => 2018-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7221 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [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] => 15892214 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/892214
Method of actuation of an alternating tangential flow diaphragm pump Feb 7, 2018 Issued
Array ( [id] => 16564806 [patent_doc_number] => 10890169 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-01-12 [patent_title] => Linear compressor [patent_app_type] => utility [patent_app_number] => 15/890464 [patent_app_country] => US [patent_app_date] => 2018-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 9878 [patent_no_of_claims] => 16 [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] => 15890464 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/890464
Linear compressor Feb 6, 2018 Issued
Array ( [id] => 12840490 [patent_doc_number] => 20180172003 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-21 [patent_title] => PUMP INTEGRATED WITH TWO INDEPENDENTLY DRIVE PRIME COVERS [patent_app_type] => utility [patent_app_number] => 15/887856 [patent_app_country] => US [patent_app_date] => 2018-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13046 [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] => 15887856 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/887856
Pump integrated with two independently driven prime movers Feb 1, 2018 Issued
Array ( [id] => 17421883 [patent_doc_number] => 11255328 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-22 [patent_title] => Multi-stage rotary lobe pump [patent_app_type] => utility [patent_app_number] => 16/476817 [patent_app_country] => US [patent_app_date] => 2018-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2590 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16476817 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/476817
Multi-stage rotary lobe pump Jan 23, 2018 Issued
Array ( [id] => 15211581 [patent_doc_number] => 20190368477 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-05 [patent_title] => METHOD TO USE AND CONTROL A DEVICE FOR FILLING CONTAINERS, AND FILLING DEVICE [patent_app_type] => utility [patent_app_number] => 16/479587 [patent_app_country] => US [patent_app_date] => 2018-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5643 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16479587 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/479587
METHOD TO USE AND CONTROL A DEVICE FOR FILLING CONTAINERS, AND FILLING DEVICE Jan 18, 2018 Abandoned
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