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] => 18153567 [patent_doc_number] => 11566533 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-31 [patent_title] => Electrical machines for integration into a propulsion engine [patent_app_type] => utility [patent_app_number] => 17/170229 [patent_app_country] => US [patent_app_date] => 2021-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 12906 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17170229 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/170229
Electrical machines for integration into a propulsion engine Feb 7, 2021 Issued
Array ( [id] => 17792882 [patent_doc_number] => 20220251973 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => GAS TURBINE ENGINE ASSEMBLY AND METHOD OF DISASSEMBLING SAME [patent_app_type] => utility [patent_app_number] => 17/168920 [patent_app_country] => US [patent_app_date] => 2021-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3945 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17168920 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/168920
Gas turbine engine assembly and method of disassembling same Feb 4, 2021 Issued
Array ( [id] => 17514159 [patent_doc_number] => 11293299 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-05 [patent_title] => Gas turbine engine forward bearing compartment architecture [patent_app_type] => utility [patent_app_number] => 17/164908 [patent_app_country] => US [patent_app_date] => 2021-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 2939 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 283 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17164908 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/164908
Gas turbine engine forward bearing compartment architecture Feb 1, 2021 Issued
Array ( [id] => 17665829 [patent_doc_number] => 11359512 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-06-14 [patent_title] => Torque probe cooling for gas turbine engine using internal fluid flow [patent_app_type] => utility [patent_app_number] => 17/165033 [patent_app_country] => US [patent_app_date] => 2021-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8610 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17165033 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/165033
Torque probe cooling for gas turbine engine using internal fluid flow Feb 1, 2021 Issued
Array ( [id] => 18838130 [patent_doc_number] => 11846194 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-19 [patent_title] => Wavy tilting of platforms at the rotor-stator gaps in a turbine engine compressor [patent_app_type] => utility [patent_app_number] => 17/795162 [patent_app_country] => US [patent_app_date] => 2021-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 5586 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17795162 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/795162
Wavy tilting of platforms at the rotor-stator gaps in a turbine engine compressor Jan 21, 2021 Issued
Array ( [id] => 18247326 [patent_doc_number] => 11603903 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-14 [patent_title] => Vibration isolation for rotating machines [patent_app_type] => utility [patent_app_number] => 17/156135 [patent_app_country] => US [patent_app_date] => 2021-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 3611 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17156135 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/156135
Vibration isolation for rotating machines Jan 21, 2021 Issued
Array ( [id] => 17785191 [patent_doc_number] => 11408306 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-09 [patent_title] => Nacelle for gas turbine engine and aircraft comprising the same [patent_app_type] => utility [patent_app_number] => 17/152075 [patent_app_country] => US [patent_app_date] => 2021-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 5030 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17152075 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/152075
Nacelle for gas turbine engine and aircraft comprising the same Jan 18, 2021 Issued
Array ( [id] => 17891215 [patent_doc_number] => 11454174 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-27 [patent_title] => Gas turbine [patent_app_type] => utility [patent_app_number] => 17/147762 [patent_app_country] => US [patent_app_date] => 2021-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 7065 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17147762 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/147762
Gas turbine Jan 12, 2021 Issued
Array ( [id] => 17728280 [patent_doc_number] => 11384660 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-07-12 [patent_title] => Fan cowl failsafe gooseneck assembly [patent_app_type] => utility [patent_app_number] => 17/133351 [patent_app_country] => US [patent_app_date] => 2020-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3729 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17133351 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/133351
Fan cowl failsafe gooseneck assembly Dec 22, 2020 Issued
Array ( [id] => 18384943 [patent_doc_number] => 11655715 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-23 [patent_title] => Surface topology manipulation for performance enhancement of additively manufactured fluid-interacting components [patent_app_type] => utility [patent_app_number] => 17/130916 [patent_app_country] => US [patent_app_date] => 2020-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 35 [patent_no_of_words] => 10963 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17130916 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/130916
Surface topology manipulation for performance enhancement of additively manufactured fluid-interacting components Dec 21, 2020 Issued
Array ( [id] => 18145421 [patent_doc_number] => 20230019277 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-19 [patent_title] => AERONAUTIC PROPULSION SYSTEM WITH LOW LEAKAGE RATE AND IMPROVED PROPULSION EFFICIENCY [patent_app_type] => utility [patent_app_number] => 17/783073 [patent_app_country] => US [patent_app_date] => 2020-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5448 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17783073 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/783073
Aeronautic propulsion system with low leakage rate and improved propulsion efficiency Dec 10, 2020 Issued
Array ( [id] => 17556564 [patent_doc_number] => 11313249 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-26 [patent_title] => Rotor blade and axial-flow rotary machine [patent_app_type] => utility [patent_app_number] => 17/117938 [patent_app_country] => US [patent_app_date] => 2020-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 7286 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17117938 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/117938
Rotor blade and axial-flow rotary machine Dec 9, 2020 Issued
Array ( [id] => 18124689 [patent_doc_number] => 20230010301 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-12 [patent_title] => HEAT EXCHANGER COMPRISING AN INTER-VANE WALL PROVIDED WITH HOLLOW TURBULENCE GENERATORS [patent_app_type] => utility [patent_app_number] => 17/757035 [patent_app_country] => US [patent_app_date] => 2020-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2236 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 10 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17757035 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/757035
Heat exchanger comprising an inter-vane wall provided with hollow turbulence generators Dec 7, 2020 Issued
Array ( [id] => 18078141 [patent_doc_number] => 20220403753 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => TURBINE BLADE HEALTH MONITORING SYSTEM FOR IDENTIFYING CRACKS [patent_app_type] => utility [patent_app_number] => 17/771831 [patent_app_country] => US [patent_app_date] => 2020-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5206 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17771831 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/771831
Turbine blade health monitoring system for identifying cracks Dec 2, 2020 Issued
Array ( [id] => 16750462 [patent_doc_number] => 20210102471 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-08 [patent_title] => TURBINE AND TURBOCHARGER [patent_app_type] => utility [patent_app_number] => 17/108134 [patent_app_country] => US [patent_app_date] => 2020-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4346 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17108134 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/108134
Turbine and turbocharger Nov 30, 2020 Issued
Array ( [id] => 16712666 [patent_doc_number] => 20210079813 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-18 [patent_title] => FORGED CAST FORGED OUTER CASE FOR A GAS TURBINE ENGINE [patent_app_type] => utility [patent_app_number] => 17/103153 [patent_app_country] => US [patent_app_date] => 2020-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3521 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17103153 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/103153
Forged cast forged outer case for a gas turbine engine Nov 23, 2020 Issued
Array ( [id] => 17324078 [patent_doc_number] => 11215080 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-01-04 [patent_title] => Turbine shroud assembly with integrated ceramic matrix composite component support pins [patent_app_type] => utility [patent_app_number] => 16/951582 [patent_app_country] => US [patent_app_date] => 2020-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 10008 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16951582 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/951582
Turbine shroud assembly with integrated ceramic matrix composite component support pins Nov 17, 2020 Issued
Array ( [id] => 18078145 [patent_doc_number] => 20220403757 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => Pin Member for Turbine [patent_app_type] => utility [patent_app_number] => 17/776134 [patent_app_country] => US [patent_app_date] => 2020-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8094 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 17776134 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/776134
Pin member for turbine Nov 10, 2020 Issued
Array ( [id] => 17378628 [patent_doc_number] => 11236629 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-01 [patent_title] => Shroud assembly of gas turbine [patent_app_type] => utility [patent_app_number] => 17/092405 [patent_app_country] => US [patent_app_date] => 2020-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 8426 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17092405 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/092405
Shroud assembly of gas turbine Nov 8, 2020 Issued
Array ( [id] => 17489430 [patent_doc_number] => 11278711 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-22 [patent_title] => Fluid pump changeable in diameter, in particular for medical application [patent_app_type] => utility [patent_app_number] => 17/089795 [patent_app_country] => US [patent_app_date] => 2020-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 15 [patent_no_of_words] => 5257 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17089795 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/089795
Fluid pump changeable in diameter, in particular for medical application Nov 4, 2020 Issued
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