Search

Leonard S. Liang

Examiner (ID: 13479, Phone: (571)272-2148 , Office: P/2862 )

Most Active Art Unit
2853
Art Unit(s)
2853, 2857, 2862
Total Applications
982
Issued Applications
620
Pending Applications
103
Abandoned Applications
289

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16896190 [patent_doc_number] => 11037752 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-15 [patent_title] => Spiral groove bearing assembly with minimized deflection [patent_app_type] => utility [patent_app_number] => 16/886197 [patent_app_country] => US [patent_app_date] => 2020-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 5964 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [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] => 16886197 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/886197
Spiral groove bearing assembly with minimized deflection May 27, 2020 Issued
Array ( [id] => 16469062 [patent_doc_number] => 20200370599 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-26 [patent_title] => BEARING ARRANGEMENT [patent_app_type] => utility [patent_app_number] => 16/881614 [patent_app_country] => US [patent_app_date] => 2020-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3393 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 16881614 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/881614
Bearing arrangement May 21, 2020 Issued
Array ( [id] => 17251793 [patent_doc_number] => 11187270 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-30 [patent_title] => Liner with improved resistance to wear and a plain bearing including such a liner [patent_app_type] => utility [patent_app_number] => 15/931251 [patent_app_country] => US [patent_app_date] => 2020-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1896 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15931251 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/931251
Liner with improved resistance to wear and a plain bearing including such a liner May 12, 2020 Issued
Array ( [id] => 16223631 [patent_doc_number] => 20200248748 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-06 [patent_title] => BEARINGS WITH ANTI-FRICTION SEPARATORS [patent_app_type] => utility [patent_app_number] => 16/853668 [patent_app_country] => US [patent_app_date] => 2020-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8778 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16853668 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/853668
Bearings with anti-friction separators Apr 19, 2020 Issued
Array ( [id] => 16391894 [patent_doc_number] => 20200332835 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-22 [patent_title] => BALL BEARING AND BALL BEARING CAGE [patent_app_type] => utility [patent_app_number] => 16/840758 [patent_app_country] => US [patent_app_date] => 2020-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3768 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16840758 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/840758
BALL BEARING AND BALL BEARING CAGE Apr 5, 2020 Abandoned
Array ( [id] => 17324221 [patent_doc_number] => 11215224 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-01-04 [patent_title] => Rolling apparatus with profiled V-guide [patent_app_type] => utility [patent_app_number] => 16/837354 [patent_app_country] => US [patent_app_date] => 2020-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2607 [patent_no_of_claims] => 16 [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] => 16837354 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/837354
Rolling apparatus with profiled V-guide Mar 31, 2020 Issued
Array ( [id] => 16344543 [patent_doc_number] => 20200309193 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-01 [patent_title] => SLIDING MEMBER [patent_app_type] => utility [patent_app_number] => 16/828563 [patent_app_country] => US [patent_app_date] => 2020-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10194 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 481 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16828563 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/828563
Sliding member Mar 23, 2020 Issued
Array ( [id] => 17126911 [patent_doc_number] => 20210301680 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-30 [patent_title] => BEARING HOUSING ASSEMBLY AND TURBOCHARGER INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 16/828339 [patent_app_country] => US [patent_app_date] => 2020-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5168 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16828339 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/828339
Bearing housing assembly and turbocharger including the same Mar 23, 2020 Issued
Array ( [id] => 16329332 [patent_doc_number] => 20200300298 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => COMPOSITE BEARING AND METHOD OF MAKING AND USING THE SAME [patent_app_type] => utility [patent_app_number] => 16/823437 [patent_app_country] => US [patent_app_date] => 2020-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7997 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16823437 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/823437
Composite bearing and method of making and using the same Mar 18, 2020 Issued
Array ( [id] => 16313251 [patent_doc_number] => 20200291989 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-17 [patent_title] => HYDROSTATIC BEARING SPINDLE DEVICE AND MACHINE TOOL INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 16/816297 [patent_app_country] => US [patent_app_date] => 2020-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5495 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 317 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16816297 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/816297
Hydrostatic bearing type spindle device and machine tool including the hydrostatic bearing type spindle device Mar 11, 2020 Issued
Array ( [id] => 17082941 [patent_doc_number] => 20210277947 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-09 [patent_title] => BEARING CAGE ASSEMBLY INCLUDING STIFFENING RING [patent_app_type] => utility [patent_app_number] => 16/813272 [patent_app_country] => US [patent_app_date] => 2020-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2040 [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] => 16813272 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/813272
Bearing cage assembly including stiffening ring Mar 8, 2020 Issued
Array ( [id] => 16284388 [patent_doc_number] => 20200277990 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-03 [patent_title] => ROLLING BEARING [patent_app_type] => utility [patent_app_number] => 16/813027 [patent_app_country] => US [patent_app_date] => 2020-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4438 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16813027 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/813027
Rolling bearing Mar 8, 2020 Issued
Array ( [id] => 17082940 [patent_doc_number] => 20210277946 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-09 [patent_title] => HYBRID MODULE BEARING INSTALLATION [patent_app_type] => utility [patent_app_number] => 16/811513 [patent_app_country] => US [patent_app_date] => 2020-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2458 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16811513 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/811513
Hybrid module bearing installation Mar 5, 2020 Issued
Array ( [id] => 17120214 [patent_doc_number] => 11131339 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-09-28 [patent_title] => High performance air journal bearing [patent_app_type] => utility [patent_app_number] => 16/808771 [patent_app_country] => US [patent_app_date] => 2020-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 16 [patent_no_of_words] => 5372 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16808771 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/808771
High performance air journal bearing Mar 3, 2020 Issued
Array ( [id] => 16863436 [patent_doc_number] => 11022172 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-01 [patent_title] => Rolling bearing device and assembling method for the same [patent_app_type] => utility [patent_app_number] => 16/806380 [patent_app_country] => US [patent_app_date] => 2020-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 7448 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16806380 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/806380
Rolling bearing device and assembling method for the same Mar 1, 2020 Issued
Array ( [id] => 16863442 [patent_doc_number] => 11022178 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-01 [patent_title] => Sealing device and rolling bearing device [patent_app_type] => utility [patent_app_number] => 16/801971 [patent_app_country] => US [patent_app_date] => 2020-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 10018 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 465 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16801971 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/801971
Sealing device and rolling bearing device Feb 25, 2020 Issued
Array ( [id] => 17251794 [patent_doc_number] => 11187271 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-30 [patent_title] => Polymer joining ring for a bearing assembly [patent_app_type] => utility [patent_app_number] => 16/794437 [patent_app_country] => US [patent_app_date] => 2020-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3416 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16794437 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/794437
Polymer joining ring for a bearing assembly Feb 18, 2020 Issued
Array ( [id] => 16736380 [patent_doc_number] => 10962018 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-30 [patent_title] => Gas dynamic pressure bearing, motor, and blower [patent_app_type] => utility [patent_app_number] => 16/787066 [patent_app_country] => US [patent_app_date] => 2020-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 9383 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16787066 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/787066
Gas dynamic pressure bearing, motor, and blower Feb 10, 2020 Issued
Array ( [id] => 16674103 [patent_doc_number] => 20210062866 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => BEARING ASSEMBLY AND ROTARY SHAFT APPARATUS EMPLOYING SAME [patent_app_type] => utility [patent_app_number] => 16/787856 [patent_app_country] => US [patent_app_date] => 2020-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5101 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16787856 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/787856
Bearing assembly and rotary shaft apparatus employing same Feb 10, 2020 Issued
Array ( [id] => 17075567 [patent_doc_number] => 11111956 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-09-07 [patent_title] => Squeeze film damper bearing and rotary machine including the same [patent_app_type] => utility [patent_app_number] => 16/787228 [patent_app_country] => US [patent_app_date] => 2020-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 32 [patent_no_of_words] => 11489 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16787228 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/787228
Squeeze film damper bearing and rotary machine including the same Feb 10, 2020 Issued
Menu