Search

Kevin H. Sprenger

Examiner (ID: 6769, Phone: (571)272-9424 , Office: P/2838 )

Most Active Art Unit
2838
Art Unit(s)
2838
Total Applications
293
Issued Applications
246
Pending Applications
0
Abandoned Applications
48

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17777272 [patent_doc_number] => 20220243621 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-04 [patent_title] => INTERNAL COMBUSTION ENGINE WITH FAST COMBUSTION AND METHOD OF CONTROL OF SUCH AN ENGINE [patent_app_type] => utility [patent_app_number] => 17/621823 [patent_app_country] => US [patent_app_date] => 2020-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13732 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 493 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17621823 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/621823
Internal combustion engine with fast combustion and method of control of such an engine Aug 5, 2020 Issued
Array ( [id] => 17867850 [patent_doc_number] => 20220290586 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-15 [patent_title] => HLA ARRANGEMENT USING COLD FORMED PLUNGER & MANUFACTURING SIMPLIFICATIONS [patent_app_type] => utility [patent_app_number] => 17/627956 [patent_app_country] => US [patent_app_date] => 2020-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3819 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17627956 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/627956
HLA arrangement using cold formed plunger and manufacturing simplifications Jul 16, 2020 Issued
Array ( [id] => 17792887 [patent_doc_number] => 20220251978 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => VARIABLE VALVE TRAIN FOR AN ENGINE BRAKING MODE [patent_app_type] => utility [patent_app_number] => 17/629320 [patent_app_country] => US [patent_app_date] => 2020-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5627 [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] => 17629320 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/629320
Variable valve train for an engine braking mode Jul 16, 2020 Issued
Array ( [id] => 16422560 [patent_doc_number] => 20200347758 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-05 [patent_title] => DYNAMIC LOCKING AND RELEASING CAM LOBE [patent_app_type] => utility [patent_app_number] => 16/930796 [patent_app_country] => US [patent_app_date] => 2020-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3661 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 16930796 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/930796
Dynamic locking and releasing cam lobe Jul 15, 2020 Issued
Array ( [id] => 16970997 [patent_doc_number] => 11066962 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-07-20 [patent_title] => Engine valve actuation system and lifter arm assembly having lifter arm oil spray port for cam-roller lubrication [patent_app_type] => utility [patent_app_number] => 16/927251 [patent_app_country] => US [patent_app_date] => 2020-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 12 [patent_no_of_words] => 4116 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16927251 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/927251
Engine valve actuation system and lifter arm assembly having lifter arm oil spray port for cam-roller lubrication Jul 12, 2020 Issued
Array ( [id] => 16925803 [patent_doc_number] => 11047271 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-29 [patent_title] => Socket module of compression release type engine brake and operating method of engine brake using thereof [patent_app_type] => utility [patent_app_number] => 16/926100 [patent_app_country] => US [patent_app_date] => 2020-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 5014 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16926100 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/926100
Socket module of compression release type engine brake and operating method of engine brake using thereof Jul 9, 2020 Issued
Array ( [id] => 17060634 [patent_doc_number] => 11105226 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-31 [patent_title] => Rocker arm with an oil trough [patent_app_type] => utility [patent_app_number] => 16/926158 [patent_app_country] => US [patent_app_date] => 2020-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 2140 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16926158 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/926158
Rocker arm with an oil trough Jul 9, 2020 Issued
Array ( [id] => 17792953 [patent_doc_number] => 20220252044 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => ROTOR BLADE AND WIND TURBINE [patent_app_type] => utility [patent_app_number] => 17/626384 [patent_app_country] => US [patent_app_date] => 2020-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4776 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17626384 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/626384
Rotor blade and wind turbine Jul 7, 2020 Issued
Array ( [id] => 18748474 [patent_doc_number] => 11807772 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-07 [patent_title] => Use of coating compositions for wind turbine blades [patent_app_type] => utility [patent_app_number] => 17/617951 [patent_app_country] => US [patent_app_date] => 2020-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12539 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17617951 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/617951
Use of coating compositions for wind turbine blades Jun 25, 2020 Issued
Array ( [id] => 17808156 [patent_doc_number] => 20220259991 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-18 [patent_title] => INTERNAL COMBUSTION ENGINE AND METHOD FOR OPERATING AN ELECTROMECHANICAL CAMSHAFT ADJUSTER [patent_app_type] => utility [patent_app_number] => 17/625834 [patent_app_country] => US [patent_app_date] => 2020-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3510 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17625834 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/625834
Internal combustion engine and method for operating an electromechanical camshaft adjuster Jun 17, 2020 Issued
Array ( [id] => 17897727 [patent_doc_number] => 20220307389 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-29 [patent_title] => CYLINDER DEACTIVATION AND ENGINE BRAKE MECHANISM FOR TYPE III CENTER PIVOT VALVETRAINS [patent_app_type] => utility [patent_app_number] => 17/620510 [patent_app_country] => US [patent_app_date] => 2020-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5052 [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] => 17620510 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/620510
Cylinder deactivation and engine brake mechanism for type III center pivot valvetrains Jun 16, 2020 Issued
Array ( [id] => 16832659 [patent_doc_number] => 11008900 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-05-18 [patent_title] => Sliding contact for electrically actuated rocker arm [patent_app_type] => utility [patent_app_number] => 16/893823 [patent_app_country] => US [patent_app_date] => 2020-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 41 [patent_no_of_words] => 14876 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 16893823 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/893823
Sliding contact for electrically actuated rocker arm Jun 4, 2020 Issued
Array ( [id] => 16971000 [patent_doc_number] => 11066965 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-07-20 [patent_title] => Systems and methods for hydraulic lash adjuster oil flow [patent_app_type] => utility [patent_app_number] => 16/891448 [patent_app_country] => US [patent_app_date] => 2020-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 10716 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16891448 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/891448
Systems and methods for hydraulic lash adjuster oil flow Jun 2, 2020 Issued
Array ( [id] => 16313088 [patent_doc_number] => 20200291826 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-17 [patent_title] => FINGER FOLLOWER FOR LOBE SWITCHING AND SINGLE SOURCE LOST MOTION [patent_app_type] => utility [patent_app_number] => 15/929899 [patent_app_country] => US [patent_app_date] => 2020-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12494 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15929899 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/929899
Finger follower for lobe switching and single source lost motion May 27, 2020 Issued
Array ( [id] => 19312125 [patent_doc_number] => 12037929 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-16 [patent_title] => Metal stamped switching roller finger follower [patent_app_type] => utility [patent_app_number] => 17/613667 [patent_app_country] => US [patent_app_date] => 2020-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 45 [patent_no_of_words] => 4650 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17613667 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/613667
Metal stamped switching roller finger follower May 21, 2020 Issued
Array ( [id] => 17735411 [patent_doc_number] => 20220220870 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => METHOD FOR OPERATING AN ELECTROMECHANICAL CAMSHAFT PHASER [patent_app_type] => utility [patent_app_number] => 17/612655 [patent_app_country] => US [patent_app_date] => 2020-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2165 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17612655 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/612655
Method for operating an electromechanical camshaft phaser May 19, 2020 Issued
Array ( [id] => 17673471 [patent_doc_number] => 20220186638 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-16 [patent_title] => Valve Clearance Setting and Adjustment Components and Systems and Methods of Using the Same [patent_app_type] => utility [patent_app_number] => 17/594339 [patent_app_country] => US [patent_app_date] => 2020-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10929 [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] => 17594339 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/594339
Valve clearance setting and adjustment components and systems and methods of using the same May 6, 2020 Issued
Array ( [id] => 16941590 [patent_doc_number] => 11053819 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-07-06 [patent_title] => Valve bridge systems comprising valve bridge guide [patent_app_type] => utility [patent_app_number] => 15/929504 [patent_app_country] => US [patent_app_date] => 2020-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 36 [patent_no_of_words] => 11084 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15929504 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/929504
Valve bridge systems comprising valve bridge guide May 5, 2020 Issued
Array ( [id] => 17688606 [patent_doc_number] => 20220195898 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => Systems and Methods for Controlled Relative Rotational Motion [patent_app_type] => utility [patent_app_number] => 17/608442 [patent_app_country] => US [patent_app_date] => 2020-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11905 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17608442 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/608442
Systems and methods for controlled relative rotational motion May 3, 2020 Issued
Array ( [id] => 18888331 [patent_doc_number] => 11867097 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-09 [patent_title] => Deactivating rocker arm and capsules [patent_app_type] => utility [patent_app_number] => 17/606419 [patent_app_country] => US [patent_app_date] => 2020-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 6248 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17606419 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/606419
Deactivating rocker arm and capsules Apr 23, 2020 Issued
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