Search

Marguerite J. Mcmahon

Examiner (ID: 303, Phone: (571)272-4848 , Office: P/3747 )

Most Active Art Unit
3747
Art Unit(s)
2899, 3747, 3741, 3783, 3402, 3709, 3727
Total Applications
2817
Issued Applications
2286
Pending Applications
118
Abandoned Applications
414

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 10334022 [patent_doc_number] => 20150219026 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-08-06 [patent_title] => 'IN-CYLINDER PRESSURE DETECTION DEVICE FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 14/420075 [patent_app_country] => US [patent_app_date] => 2013-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5986 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14420075 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/420075
IN-CYLINDER PRESSURE DETECTION DEVICE FOR INTERNAL COMBUSTION ENGINE Sep 23, 2013 Abandoned
Array ( [id] => 10636367 [patent_doc_number] => 09353863 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-05-31 [patent_title] => 'Wrist pin and method of reducing wear between members thereof, connecting rod, piston and methods of constructing same' [patent_app_type] => utility [patent_app_number] => 14/030291 [patent_app_country] => US [patent_app_date] => 2013-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 5101 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14030291 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/030291
Wrist pin and method of reducing wear between members thereof, connecting rod, piston and methods of constructing same Sep 17, 2013 Issued
Array ( [id] => 9366391 [patent_doc_number] => 20140076264 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-03-20 [patent_title] => 'STEEL PISTON WITH COUNTER-BORE DESIGN' [patent_app_type] => utility [patent_app_number] => 14/030530 [patent_app_country] => US [patent_app_date] => 2013-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2802 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14030530 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/030530
Steel piston with counter-bore design Sep 17, 2013 Issued
Array ( [id] => 10382618 [patent_doc_number] => 20150267625 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-09-24 [patent_title] => 'CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 14/429202 [patent_app_country] => US [patent_app_date] => 2013-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 8625 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14429202 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/429202
Control device for internal combustion engine Sep 17, 2013 Issued
Array ( [id] => 9366395 [patent_doc_number] => 20140076268 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-03-20 [patent_title] => 'ENGINE' [patent_app_type] => utility [patent_app_number] => 14/028325 [patent_app_country] => US [patent_app_date] => 2013-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 9151 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14028325 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/028325
ENGINE Sep 15, 2013 Abandoned
Array ( [id] => 9826776 [patent_doc_number] => 08935998 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2015-01-20 [patent_title] => 'Compac, ported cylinder construction for an opposed-piston engine' [patent_app_type] => utility [patent_app_number] => 14/028423 [patent_app_country] => US [patent_app_date] => 2013-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 4655 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 14028423 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/028423
Compac, ported cylinder construction for an opposed-piston engine Sep 15, 2013 Issued
Array ( [id] => 9211800 [patent_doc_number] => 20140010977 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-09 [patent_title] => 'METHOD OF MAKING A BARBED SURFACE FOR RECEIVING A THERMAL SPRAY COATING AND THE SURFACE MADE BY THE METHOD' [patent_app_type] => utility [patent_app_number] => 14/026192 [patent_app_country] => US [patent_app_date] => 2013-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2727 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14026192 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/026192
Method of making a barbed surface for receiving a thermal spray coating and the surface made by the method Sep 12, 2013 Issued
Array ( [id] => 10326434 [patent_doc_number] => 20150211438 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-07-30 [patent_title] => 'PISTON WITH OIL RESERVOIR' [patent_app_type] => utility [patent_app_number] => 14/427737 [patent_app_country] => US [patent_app_date] => 2013-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3361 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14427737 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/427737
PISTON WITH OIL RESERVOIR Sep 12, 2013 Abandoned
Array ( [id] => 10355750 [patent_doc_number] => 20150240755 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-08-27 [patent_title] => 'FLUID FLOW VALVE, ESPECIALLY FOR RECIRCULATED EXHAUST GAS' [patent_app_type] => utility [patent_app_number] => 14/427689 [patent_app_country] => US [patent_app_date] => 2013-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3007 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14427689 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/427689
Fluid flow valve, especially for recirculated exhaust gas Sep 12, 2013 Issued
Array ( [id] => 11537405 [patent_doc_number] => 09611803 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-04-04 [patent_title] => 'Engine piston and a process for making an engine piston' [patent_app_type] => utility [patent_app_number] => 14/427307 [patent_app_country] => US [patent_app_date] => 2013-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 3136 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 14427307 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/427307
Engine piston and a process for making an engine piston Sep 10, 2013 Issued
Array ( [id] => 9962695 [patent_doc_number] => 09010297 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-04-21 [patent_title] => 'Aluminum alloy member, aluminum alloy piston for internal combustion engine and manufacturing method thereof' [patent_app_type] => utility [patent_app_number] => 14/021407 [patent_app_country] => US [patent_app_date] => 2013-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 21 [patent_no_of_words] => 11662 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14021407 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/021407
Aluminum alloy member, aluminum alloy piston for internal combustion engine and manufacturing method thereof Sep 8, 2013 Issued
Array ( [id] => 10842606 [patent_doc_number] => 08869768 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-10-28 [patent_title] => 'Piston including a pair of cooling chambers' [patent_app_type] => utility [patent_app_number] => 14/013349 [patent_app_country] => US [patent_app_date] => 2013-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2646 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [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] => 14013349 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/013349
Piston including a pair of cooling chambers Aug 28, 2013 Issued
Array ( [id] => 10334036 [patent_doc_number] => 20150219040 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-08-06 [patent_title] => 'Cylinder Head with Sensor Sleeve' [patent_app_type] => utility [patent_app_number] => 14/424355 [patent_app_country] => US [patent_app_date] => 2013-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2411 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14424355 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/424355
Cylinder head with sensor sleeve Aug 26, 2013 Issued
Array ( [id] => 11642778 [patent_doc_number] => 09664137 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-05-30 [patent_title] => 'Piston' [patent_app_type] => utility [patent_app_number] => 14/423656 [patent_app_country] => US [patent_app_date] => 2013-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3764 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14423656 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/423656
Piston Aug 19, 2013 Issued
Array ( [id] => 10033252 [patent_doc_number] => 09074563 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-07-07 [patent_title] => 'Engine system having a condensate bypass duct' [patent_app_type] => utility [patent_app_number] => 13/961607 [patent_app_country] => US [patent_app_date] => 2013-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3633 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13961607 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/961607
Engine system having a condensate bypass duct Aug 6, 2013 Issued
Array ( [id] => 9872905 [patent_doc_number] => 08960164 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2015-02-24 [patent_title] => 'Volumetric expansion assembly' [patent_app_type] => utility [patent_app_number] => 13/957120 [patent_app_country] => US [patent_app_date] => 2013-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1684 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13957120 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/957120
Volumetric expansion assembly Jul 31, 2013 Issued
Array ( [id] => 9848655 [patent_doc_number] => 08950376 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-02-10 [patent_title] => 'Multilink-type internal combustion engine' [patent_app_type] => utility [patent_app_number] => 13/948898 [patent_app_country] => US [patent_app_date] => 2013-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 8466 [patent_no_of_claims] => 2 [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] => 13948898 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/948898
Multilink-type internal combustion engine Jul 22, 2013 Issued
Array ( [id] => 10020292 [patent_doc_number] => 09062768 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-06-23 [patent_title] => 'Piston with oil cooling passage and method of construction thereof' [patent_app_type] => utility [patent_app_number] => 13/946866 [patent_app_country] => US [patent_app_date] => 2013-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4052 [patent_no_of_claims] => 19 [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] => 13946866 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/946866
Piston with oil cooling passage and method of construction thereof Jul 18, 2013 Issued
Array ( [id] => 10033193 [patent_doc_number] => 09074502 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-07-07 [patent_title] => 'Positive crankcase ventilation system and method for operation' [patent_app_type] => utility [patent_app_number] => 13/945626 [patent_app_country] => US [patent_app_date] => 2013-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 4403 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13945626 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/945626
Positive crankcase ventilation system and method for operation Jul 17, 2013 Issued
Array ( [id] => 10622166 [patent_doc_number] => 09341104 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-05-17 [patent_title] => 'Impingement cooling of cylinders in opposed-piston engines' [patent_app_type] => utility [patent_app_number] => 13/942515 [patent_app_country] => US [patent_app_date] => 2013-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6838 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13942515 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/942515
Impingement cooling of cylinders in opposed-piston engines Jul 14, 2013 Issued
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