Search

Henry Tsai

Supervisory Patent Examiner (ID: 11544, Phone: (571)272-4176 , Office: P/2184 )

Most Active Art Unit
3722
Art Unit(s)
2184, 3727, 3722, 2183, 3209, 2181
Total Applications
1098
Issued Applications
890
Pending Applications
79
Abandoned Applications
129

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3689535 [patent_doc_number] => 05653152 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-08-05 [patent_title] => 'Toolholder for roughing and finishing a workpiece' [patent_app_type] => 1 [patent_app_number] => 8/522794 [patent_app_country] => US [patent_app_date] => 1995-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 2201 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/653/05653152.pdf [firstpage_image] =>[orig_patent_app_number] => 522794 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/522794
Toolholder for roughing and finishing a workpiece Aug 31, 1995 Issued
Array ( [id] => 3650450 [patent_doc_number] => 05655855 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-08-12 [patent_title] => 'Tool for precise machining of metal' [patent_app_type] => 1 [patent_app_number] => 8/522910 [patent_app_country] => US [patent_app_date] => 1995-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3530 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/655/05655855.pdf [firstpage_image] =>[orig_patent_app_number] => 522910 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/522910
Tool for precise machining of metal Aug 31, 1995 Issued
Array ( [id] => 3686546 [patent_doc_number] => 05676505 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-10-14 [patent_title] => 'Method and milling tool to make deep grooves in a workpiece, especially in rotors of generators and turbines' [patent_app_type] => 1 [patent_app_number] => 8/517595 [patent_app_country] => US [patent_app_date] => 1995-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 5694 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/676/05676505.pdf [firstpage_image] =>[orig_patent_app_number] => 517595 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/517595
Method and milling tool to make deep grooves in a workpiece, especially in rotors of generators and turbines Aug 21, 1995 Issued
Array ( [id] => 3676058 [patent_doc_number] => 05695305 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-12-09 [patent_title] => 'Feed device for machine tools, in particular for finishing screwdriver bits' [patent_app_type] => 1 [patent_app_number] => 8/513758 [patent_app_country] => US [patent_app_date] => 1995-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 4901 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/695/05695305.pdf [firstpage_image] =>[orig_patent_app_number] => 513758 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/513758
Feed device for machine tools, in particular for finishing screwdriver bits Aug 17, 1995 Issued
Array ( [id] => 3646001 [patent_doc_number] => 05658100 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-08-19 [patent_title] => 'Interlocking, or form fitting cutting bit or chip' [patent_app_type] => 1 [patent_app_number] => 8/515965 [patent_app_country] => US [patent_app_date] => 1995-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 14 [patent_no_of_words] => 6010 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/658/05658100.pdf [firstpage_image] =>[orig_patent_app_number] => 515965 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/515965
Interlocking, or form fitting cutting bit or chip Aug 15, 1995 Issued
Array ( [id] => 3679539 [patent_doc_number] => 05676030 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-10-14 [patent_title] => 'Multi-spindle CNC lathe' [patent_app_type] => 1 [patent_app_number] => 8/514734 [patent_app_country] => US [patent_app_date] => 1995-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 33 [patent_no_of_words] => 8957 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/676/05676030.pdf [firstpage_image] =>[orig_patent_app_number] => 514734 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/514734
Multi-spindle CNC lathe Aug 13, 1995 Issued
Array ( [id] => 3675966 [patent_doc_number] => 05662435 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-09-02 [patent_title] => 'Cutter bit' [patent_app_type] => 1 [patent_app_number] => 8/514770 [patent_app_country] => US [patent_app_date] => 1995-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 2664 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/662/05662435.pdf [firstpage_image] =>[orig_patent_app_number] => 514770 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/514770
Cutter bit Aug 13, 1995 Issued
Array ( [id] => 3611294 [patent_doc_number] => 05593255 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-01-14 [patent_title] => 'Cutting insert for a rotary milling cutter' [patent_app_type] => 1 [patent_app_number] => 8/514047 [patent_app_country] => US [patent_app_date] => 1995-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 13 [patent_no_of_words] => 2822 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/593/05593255.pdf [firstpage_image] =>[orig_patent_app_number] => 514047 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/514047
Cutting insert for a rotary milling cutter Aug 10, 1995 Issued
Array ( [id] => 3609769 [patent_doc_number] => 05619893 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-04-15 [patent_title] => 'Tube squaring machine' [patent_app_type] => 1 [patent_app_number] => 8/513217 [patent_app_country] => US [patent_app_date] => 1995-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3252 [patent_no_of_claims] => 7 [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] => patents/05/619/05619893.pdf [firstpage_image] =>[orig_patent_app_number] => 513217 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/513217
Tube squaring machine Aug 9, 1995 Issued
Array ( [id] => 3675919 [patent_doc_number] => 05690451 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-11-25 [patent_title] => 'Depth stop assembly for a portable electric drill' [patent_app_type] => 1 [patent_app_number] => 8/509463 [patent_app_country] => US [patent_app_date] => 1995-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2934 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/690/05690451.pdf [firstpage_image] =>[orig_patent_app_number] => 509463 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/509463
Depth stop assembly for a portable electric drill Jul 30, 1995 Issued
Array ( [id] => 3706862 [patent_doc_number] => 05615984 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-04-01 [patent_title] => 'Machining tool and automated air-burst control device for use with a machining tool' [patent_app_type] => 1 [patent_app_number] => 8/508957 [patent_app_country] => US [patent_app_date] => 1995-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2976 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 278 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/615/05615984.pdf [firstpage_image] =>[orig_patent_app_number] => 508957 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/508957
Machining tool and automated air-burst control device for use with a machining tool Jul 27, 1995 Issued
Array ( [id] => 3854406 [patent_doc_number] => 05802937 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-08 [patent_title] => 'Smart tool holder' [patent_app_type] => 1 [patent_app_number] => 8/507628 [patent_app_country] => US [patent_app_date] => 1995-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3150 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/802/05802937.pdf [firstpage_image] =>[orig_patent_app_number] => 507628 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/507628
Smart tool holder Jul 25, 1995 Issued
Array ( [id] => 3676042 [patent_doc_number] => 05695304 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-12-09 [patent_title] => 'Forstner bit' [patent_app_type] => 1 [patent_app_number] => 8/505632 [patent_app_country] => US [patent_app_date] => 1995-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1024 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/695/05695304.pdf [firstpage_image] =>[orig_patent_app_number] => 505632 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/505632
Forstner bit Jul 20, 1995 Issued
Array ( [id] => 3845562 [patent_doc_number] => 05704742 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-01-06 [patent_title] => 'Rotary tool' [patent_app_type] => 1 [patent_app_number] => 8/504582 [patent_app_country] => US [patent_app_date] => 1995-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 13 [patent_no_of_words] => 5346 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/704/05704742.pdf [firstpage_image] =>[orig_patent_app_number] => 504582 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/504582
Rotary tool Jul 19, 1995 Issued
Array ( [id] => 3720184 [patent_doc_number] => 05664913 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-09-09 [patent_title] => 'Drill bushing' [patent_app_type] => 1 [patent_app_number] => 8/504146 [patent_app_country] => US [patent_app_date] => 1995-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 10 [patent_no_of_words] => 2082 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/664/05664913.pdf [firstpage_image] =>[orig_patent_app_number] => 504146 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/504146
Drill bushing Jul 18, 1995 Issued
Array ( [id] => 3640519 [patent_doc_number] => 05639192 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-06-17 [patent_title] => 'Means for preventing a drawer from being completely removed from a drill press' [patent_app_type] => 1 [patent_app_number] => 8/503766 [patent_app_country] => US [patent_app_date] => 1995-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1138 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 411 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/639/05639192.pdf [firstpage_image] =>[orig_patent_app_number] => 503766 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/503766
Means for preventing a drawer from being completely removed from a drill press Jul 17, 1995 Issued
Array ( [id] => 3877159 [patent_doc_number] => 05722803 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-03-03 [patent_title] => 'Cutting tool and method of making the cutting tool' [patent_app_type] => 1 [patent_app_number] => 8/502437 [patent_app_country] => US [patent_app_date] => 1995-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 23 [patent_no_of_words] => 11983 [patent_no_of_claims] => 62 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/722/05722803.pdf [firstpage_image] =>[orig_patent_app_number] => 502437 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/502437
Cutting tool and method of making the cutting tool Jul 13, 1995 Issued
Array ( [id] => 3716889 [patent_doc_number] => 05669743 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-09-23 [patent_title] => 'Fluid dispensing and control system for tapping attachments' [patent_app_type] => 1 [patent_app_number] => 8/502705 [patent_app_country] => US [patent_app_date] => 1995-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1359 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/669/05669743.pdf [firstpage_image] =>[orig_patent_app_number] => 502705 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/502705
Fluid dispensing and control system for tapping attachments Jul 13, 1995 Issued
Array ( [id] => 3674078 [patent_doc_number] => 05642969 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-07-01 [patent_title] => 'Portable machine tool' [patent_app_type] => 1 [patent_app_number] => 8/502311 [patent_app_country] => US [patent_app_date] => 1995-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 4142 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/642/05642969.pdf [firstpage_image] =>[orig_patent_app_number] => 502311 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/502311
Portable machine tool Jul 12, 1995 Issued
Array ( [id] => 3720097 [patent_doc_number] => 05634747 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-06-03 [patent_title] => 'Spiral drill with coolant channels and method to manufacture a spiral drill' [patent_app_type] => 1 [patent_app_number] => 8/436214 [patent_app_country] => US [patent_app_date] => 1995-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1221 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/634/05634747.pdf [firstpage_image] =>[orig_patent_app_number] => 436214 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/436214
Spiral drill with coolant channels and method to manufacture a spiral drill Jul 4, 1995 Issued
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