Search

Igor Kershteyn

Examiner (ID: 10484, Phone: (571)272-4817 , Office: P/3745 )

Most Active Art Unit
3745
Art Unit(s)
3745
Total Applications
2781
Issued Applications
2523
Pending Applications
44
Abandoned Applications
227

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 14247251 [patent_doc_number] => 10273819 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-04-30 [patent_title] => Chamfered stator vane rail [patent_app_type] => utility [patent_app_number] => 15/246875 [patent_app_country] => US [patent_app_date] => 2016-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5321 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15246875 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/246875
Chamfered stator vane rail Aug 24, 2016 Issued
Array ( [id] => 12219900 [patent_doc_number] => 20180058259 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-01 [patent_title] => 'HEAT PIPE IN TURBINE ENGINE ROTOR' [patent_app_type] => utility [patent_app_number] => 15/246869 [patent_app_country] => US [patent_app_date] => 2016-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6523 [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] => 15246869 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/246869
Heat pipe in turbine engine rotor Aug 24, 2016 Issued
Array ( [id] => 14666205 [patent_doc_number] => 10370996 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-08-06 [patent_title] => Floating, non-contact seal with offset build clearance for load imbalance [patent_app_type] => utility [patent_app_number] => 15/244276 [patent_app_country] => US [patent_app_date] => 2016-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2867 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [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] => 15244276 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/244276
Floating, non-contact seal with offset build clearance for load imbalance Aug 22, 2016 Issued
Array ( [id] => 14822159 [patent_doc_number] => 10408075 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-10 [patent_title] => Turbine engine with a rim seal between the rotor and stator [patent_app_type] => utility [patent_app_number] => 15/238233 [patent_app_country] => US [patent_app_date] => 2016-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3824 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15238233 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/238233
Turbine engine with a rim seal between the rotor and stator Aug 15, 2016 Issued
Array ( [id] => 11437059 [patent_doc_number] => 20170038080 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-02-09 [patent_title] => 'FAN FOR OVENS FOR COOKING FOODS' [patent_app_type] => utility [patent_app_number] => 15/226932 [patent_app_country] => US [patent_app_date] => 2016-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5756 [patent_no_of_claims] => 14 [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] => 15226932 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/226932
Fan for ovens for cooking foods Aug 2, 2016 Issued
Array ( [id] => 11457848 [patent_doc_number] => 20170051754 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-02-23 [patent_title] => 'DISCHARGE HEAD FOR A VERTICAL PUMP AND VERTICAL PUMP' [patent_app_type] => utility [patent_app_number] => 15/227251 [patent_app_country] => US [patent_app_date] => 2016-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5146 [patent_no_of_claims] => 16 [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] => 15227251 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/227251
DISCHARGE HEAD FOR A VERTICAL PUMP AND VERTICAL PUMP Aug 2, 2016 Abandoned
Array ( [id] => 12179303 [patent_doc_number] => 20180038239 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-02-08 [patent_title] => 'TURBINE ASSEMBLY AND METHOD FOR FLOW CONTROL' [patent_app_type] => utility [patent_app_number] => 15/227194 [patent_app_country] => US [patent_app_date] => 2016-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6543 [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] => 15227194 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/227194
Turbine assembly and method for flow control Aug 2, 2016 Issued
Array ( [id] => 13917715 [patent_doc_number] => 10202966 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-02-12 [patent_title] => Wind turbine rotor blade having a spark gap [patent_app_type] => utility [patent_app_number] => 15/226493 [patent_app_country] => US [patent_app_date] => 2016-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 4894 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15226493 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/226493
Wind turbine rotor blade having a spark gap Aug 1, 2016 Issued
Array ( [id] => 12709357 [patent_doc_number] => 20180128285 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-10 [patent_title] => FAN HAVING OUTER ELECTRONICS [patent_app_type] => utility [patent_app_number] => 15/574869 [patent_app_country] => US [patent_app_date] => 2016-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2761 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15574869 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/574869
Fan having outer electronics Jul 17, 2016 Issued
Array ( [id] => 12138993 [patent_doc_number] => 20180017076 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-18 [patent_title] => 'COMPRESSOR BLADE FOR A GAS TURBINE ENGINE' [patent_app_type] => utility [patent_app_number] => 15/208047 [patent_app_country] => US [patent_app_date] => 2016-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 12585 [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] => 15208047 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/208047
Compressor blade for a gas turbine engine Jul 11, 2016 Issued
Array ( [id] => 12138820 [patent_doc_number] => 20180016902 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-18 [patent_title] => 'TURBINE BLADE HAVING RADIAL THROAT DISTRIBUTION' [patent_app_type] => utility [patent_app_number] => 15/207750 [patent_app_country] => US [patent_app_date] => 2016-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 24632 [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] => 15207750 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/207750
Turbine blade having radial throat distribution Jul 11, 2016 Issued
Array ( [id] => 12139002 [patent_doc_number] => 20180017085 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-18 [patent_title] => 'FAN BLADE COVER SYSTEM' [patent_app_type] => utility [patent_app_number] => 15/207760 [patent_app_country] => US [patent_app_date] => 2016-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 513 [patent_no_of_claims] => 3 [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] => 15207760 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/207760
FAN BLADE COVER SYSTEM Jul 11, 2016 Abandoned
Array ( [id] => 12138989 [patent_doc_number] => 20180017070 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-18 [patent_title] => 'COMPRESSOR BLADE FOR A GAS TURBINE ENGINE' [patent_app_type] => utility [patent_app_number] => 15/208019 [patent_app_country] => US [patent_app_date] => 2016-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 21546 [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] => 15208019 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/208019
Compressor blade for a gas turbine engine Jul 11, 2016 Issued
Array ( [id] => 11443881 [patent_doc_number] => 20170044902 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-02-16 [patent_title] => 'TURBINE DISC ASSEMBLY' [patent_app_type] => utility [patent_app_number] => 15/207833 [patent_app_country] => US [patent_app_date] => 2016-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3114 [patent_no_of_claims] => 18 [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] => 15207833 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/207833
Turbine disc assembly Jul 11, 2016 Issued
Array ( [id] => 11635753 [patent_doc_number] => 09657715 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-05-23 [patent_title] => 'Orthogonal turbine having a balanced blade' [patent_app_type] => utility [patent_app_number] => 15/197748 [patent_app_country] => US [patent_app_date] => 2016-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 4568 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [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] => 15197748 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/197748
Orthogonal turbine having a balanced blade Jun 28, 2016 Issued
Array ( [id] => 12840388 [patent_doc_number] => 20180171969 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-21 [patent_title] => MAGNUS TYPE THRUST GENERATING DEVICE [patent_app_type] => utility [patent_app_number] => 15/736572 [patent_app_country] => US [patent_app_date] => 2016-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8145 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15736572 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/736572
Magnus type thrust generating device Jun 26, 2016 Issued
Array ( [id] => 13662197 [patent_doc_number] => 10161252 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-12-25 [patent_title] => Blade flow deflector [patent_app_type] => utility [patent_app_number] => 15/193327 [patent_app_country] => US [patent_app_date] => 2016-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 17 [patent_no_of_words] => 4964 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15193327 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/193327
Blade flow deflector Jun 26, 2016 Issued
Array ( [id] => 13704215 [patent_doc_number] => 20170363062 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-12-21 [patent_title] => WIND TURBINE ROTOR BLADE [patent_app_type] => utility [patent_app_number] => 15/185345 [patent_app_country] => US [patent_app_date] => 2016-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5518 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15185345 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/185345
Wind turbine rotor blade Jun 16, 2016 Issued
Array ( [id] => 13606119 [patent_doc_number] => 20180354608 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-13 [patent_title] => DEVICE FOR CONTROLLING A PROPELLER, HAVING VARIABLE-PITCH BLADES, OF A TURBOPROP ENGINE [patent_app_type] => utility [patent_app_number] => 15/735554 [patent_app_country] => US [patent_app_date] => 2016-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3993 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15735554 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/735554
Device for controlling a propeller, having variable-pitch blades, of a turboprop engine Jun 16, 2016 Issued
Array ( [id] => 11363730 [patent_doc_number] => 20170001710 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-01-05 [patent_title] => 'AIRFOILS FOR ROTOR BLADES OF ROTARY WING AIRCRAFTS' [patent_app_type] => utility [patent_app_number] => 15/181671 [patent_app_country] => US [patent_app_date] => 2016-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 9643 [patent_no_of_claims] => 16 [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] => 15181671 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/181671
Airfoils for rotor blades of rotary wing aircrafts Jun 13, 2016 Issued
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