Search

Nathan Cumar

Examiner (ID: 13839, Phone: (571)270-3112 , Office: P/3675 )

Most Active Art Unit
3675
Art Unit(s)
3674, 3675
Total Applications
1374
Issued Applications
1027
Pending Applications
110
Abandoned Applications
257

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16239235 [patent_doc_number] => 20200256469 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-13 [patent_title] => APPARATUS AND METHOD FOR UNITIZING SPLIT RING HALVES WITH HOLDER HALVES OF A CLAMSHELL SPLIT RING MECHANICAL SEAL FACE ASSEMBLY [patent_app_type] => utility [patent_app_number] => 16/274313 [patent_app_country] => US [patent_app_date] => 2019-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3770 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16274313 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/274313
Apparatus and method for unitizing split ring halves with holder halves of a clamshell split ring mechanical seal face assembly Feb 12, 2019 Issued
Array ( [id] => 14838007 [patent_doc_number] => 20190277404 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-12 [patent_title] => SEAL [patent_app_type] => utility [patent_app_number] => 16/273167 [patent_app_country] => US [patent_app_date] => 2019-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2632 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16273167 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/273167
Seal Feb 11, 2019 Issued
Array ( [id] => 16986049 [patent_doc_number] => 11073211 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-07-27 [patent_title] => High pressure anti-extrusion diaphragm [patent_app_type] => utility [patent_app_number] => 16/273866 [patent_app_country] => US [patent_app_date] => 2019-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 3437 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16273866 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/273866
High pressure anti-extrusion diaphragm Feb 11, 2019 Issued
Array ( [id] => 16770558 [patent_doc_number] => 10981644 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-04-20 [patent_title] => Assembly for aircraft comprising a moveable bearing surface supported by a drive shaft passing through a slit provided with a seal with improved sealing efficiency [patent_app_type] => utility [patent_app_number] => 16/272171 [patent_app_country] => US [patent_app_date] => 2019-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 4421 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 301 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16272171 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/272171
Assembly for aircraft comprising a moveable bearing surface supported by a drive shaft passing through a slit provided with a seal with improved sealing efficiency Feb 10, 2019 Issued
Array ( [id] => 14408825 [patent_doc_number] => 20190170256 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-06 [patent_title] => Shaft Seal Assembly [patent_app_type] => utility [patent_app_number] => 16/272826 [patent_app_country] => US [patent_app_date] => 2019-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10552 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16272826 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/272826
Shaft seal assembly Feb 10, 2019 Issued
Array ( [id] => 16239023 [patent_doc_number] => 20200256257 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-13 [patent_title] => LOW LEAKAGE SEAL FOR TOWER SHAFT [patent_app_type] => utility [patent_app_number] => 16/269686 [patent_app_country] => US [patent_app_date] => 2019-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2800 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16269686 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/269686
Low leakage seal for tower shaft Feb 6, 2019 Issued
Array ( [id] => 16239233 [patent_doc_number] => 20200256467 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-13 [patent_title] => HIGH PRESSURE COMPRESSOR SEAL-RING WITH IMPROVED WEAR RESISTANCE [patent_app_type] => utility [patent_app_number] => 16/269673 [patent_app_country] => US [patent_app_date] => 2019-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2627 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16269673 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/269673
High pressure compressor seal-ring with improved wear resistance Feb 6, 2019 Issued
Array ( [id] => 16238853 [patent_doc_number] => 20200256087 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-13 [patent_title] => KEYCAM ASSEMBLY [patent_app_type] => utility [patent_app_number] => 16/269912 [patent_app_country] => US [patent_app_date] => 2019-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4876 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16269912 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/269912
Keycam assembly Feb 6, 2019 Issued
Array ( [id] => 16239232 [patent_doc_number] => 20200256466 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-13 [patent_title] => PISTON RING WITH INLAID DLC COATING AND METHOD OF MANUFACTURING [patent_app_type] => utility [patent_app_number] => 16/270215 [patent_app_country] => US [patent_app_date] => 2019-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1995 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16270215 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/270215
Piston ring with inlaid DLC coating and method of manufacturing Feb 6, 2019 Issued
Array ( [id] => 14931939 [patent_doc_number] => 20190301607 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-03 [patent_title] => MULTISTAGE SHAFT SEALING APPARATUS AND ROTARY MACHINE [patent_app_type] => utility [patent_app_number] => 16/270090 [patent_app_country] => US [patent_app_date] => 2019-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5303 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16270090 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/270090
Multistage shaft sealing apparatus and rotary machine Feb 6, 2019 Issued
Array ( [id] => 14408829 [patent_doc_number] => 20190170258 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-06 [patent_title] => SEALING RING AND TURBOCHARGER [patent_app_type] => utility [patent_app_number] => 16/267411 [patent_app_country] => US [patent_app_date] => 2019-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5714 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16267411 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/267411
Sealing ring and turbocharger Feb 4, 2019 Issued
Array ( [id] => 14311851 [patent_doc_number] => 20190145629 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-16 [patent_title] => GASKETS AND A METHOD FOR MAKING THE SAME [patent_app_type] => utility [patent_app_number] => 16/246450 [patent_app_country] => US [patent_app_date] => 2019-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8128 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16246450 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/246450
Gaskets and a method for making the same Jan 10, 2019 Issued
Array ( [id] => 17906262 [patent_doc_number] => 11460111 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-04 [patent_title] => Arrangement for sealing a pivot joint [patent_app_type] => utility [patent_app_number] => 16/244643 [patent_app_country] => US [patent_app_date] => 2019-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 2673 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 318 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16244643 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/244643
Arrangement for sealing a pivot joint Jan 9, 2019 Issued
Array ( [id] => 14583131 [patent_doc_number] => 20190219174 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-18 [patent_title] => SEALING STRUCTURE [patent_app_type] => utility [patent_app_number] => 16/237401 [patent_app_country] => US [patent_app_date] => 2018-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11663 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 376 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16237401 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/237401
Sealing structure Dec 30, 2018 Issued
Array ( [id] => 14232505 [patent_doc_number] => 20190128425 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-02 [patent_title] => Rotary Seal Apparatus, Cover and Method [patent_app_type] => utility [patent_app_number] => 16/234036 [patent_app_country] => US [patent_app_date] => 2018-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6395 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16234036 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/234036
Rotary seal apparatus, cover and method Dec 26, 2018 Issued
Array ( [id] => 16606736 [patent_doc_number] => 10907734 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-02-02 [patent_title] => Kinetically deposited metal ring seal [patent_app_type] => utility [patent_app_number] => 16/229910 [patent_app_country] => US [patent_app_date] => 2018-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 6175 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16229910 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/229910
Kinetically deposited metal ring seal Dec 20, 2018 Issued
Array ( [id] => 14503419 [patent_doc_number] => 20190195364 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-27 [patent_title] => SHAFT SEALING DEVICE AND ELECTRIC ROTARY MACHINE [patent_app_type] => utility [patent_app_number] => 16/228851 [patent_app_country] => US [patent_app_date] => 2018-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8914 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 313 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16228851 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/228851
Shaft sealing device and electric rotary machine Dec 20, 2018 Issued
Array ( [id] => 16073289 [patent_doc_number] => 20200190631 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-18 [patent_title] => Alloy for Seal Ring, Seal Ring, and Method of Making Seal Ring for Seal Assembly of Machine [patent_app_type] => utility [patent_app_number] => 16/220957 [patent_app_country] => US [patent_app_date] => 2018-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8949 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16220957 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/220957
Alloy for seal ring, seal ring, and method of making seal ring for seal assembly of machine Dec 13, 2018 Issued
Array ( [id] => 16507059 [patent_doc_number] => 20200386315 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-10 [patent_title] => SEALING STRUCTURE [patent_app_type] => utility [patent_app_number] => 16/760485 [patent_app_country] => US [patent_app_date] => 2018-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3352 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16760485 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/760485
Sealing structure Dec 13, 2018 Issued
Array ( [id] => 14159603 [patent_doc_number] => 20190106904 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-04-11 [patent_title] => CONFIGURABLE DOOR LOCK [patent_app_type] => utility [patent_app_number] => 16/209001 [patent_app_country] => US [patent_app_date] => 2018-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5617 [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] => 16209001 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/209001
Configurable door lock Dec 3, 2018 Issued
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