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] => 3774209 [patent_doc_number] => 05735647 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-04-07 [patent_title] => 'Tap hole drill for steelmaking vessel' [patent_app_type] => 1 [patent_app_number] => 8/599982 [patent_app_country] => US [patent_app_date] => 1996-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 6654 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/735/05735647.pdf [firstpage_image] =>[orig_patent_app_number] => 599982 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/599982
Tap hole drill for steelmaking vessel Feb 13, 1996 Issued
Array ( [id] => 3774181 [patent_doc_number] => 05735645 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-04-07 [patent_title] => 'Rotary cutting device' [patent_app_type] => 1 [patent_app_number] => 8/599760 [patent_app_country] => US [patent_app_date] => 1996-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 1888 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/735/05735645.pdf [firstpage_image] =>[orig_patent_app_number] => 599760 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/599760
Rotary cutting device Feb 11, 1996 Issued
Array ( [id] => 3819584 [patent_doc_number] => 05738469 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-04-14 [patent_title] => 'Torque adjustment control mechanism of a hand drill' [patent_app_type] => 1 [patent_app_number] => 8/597411 [patent_app_country] => US [patent_app_date] => 1996-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 1807 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 299 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/738/05738469.pdf [firstpage_image] =>[orig_patent_app_number] => 597411 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/597411
Torque adjustment control mechanism of a hand drill Feb 7, 1996 Issued
Array ( [id] => 3716289 [patent_doc_number] => 05700115 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-12-23 [patent_title] => 'Speed-increasing spindle device' [patent_app_type] => 1 [patent_app_number] => 8/594849 [patent_app_country] => US [patent_app_date] => 1996-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 8309 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/700/05700115.pdf [firstpage_image] =>[orig_patent_app_number] => 594849 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/594849
Speed-increasing spindle device Jan 30, 1996 Issued
Array ( [id] => 3646044 [patent_doc_number] => 05658103 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-08-19 [patent_title] => 'Boring bit' [patent_app_type] => 1 [patent_app_number] => 8/593054 [patent_app_country] => US [patent_app_date] => 1996-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 2863 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/658/05658103.pdf [firstpage_image] =>[orig_patent_app_number] => 593054 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/593054
Boring bit Jan 28, 1996 Issued
Array ( [id] => 3873048 [patent_doc_number] => 05797709 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-08-25 [patent_title] => 'Drills' [patent_app_type] => 1 [patent_app_number] => 8/589740 [patent_app_country] => US [patent_app_date] => 1996-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3032 [patent_no_of_claims] => 15 [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/05/797/05797709.pdf [firstpage_image] =>[orig_patent_app_number] => 589740 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/589740
Drills Jan 21, 1996 Issued
Array ( [id] => 3610812 [patent_doc_number] => 05688082 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-11-18 [patent_title] => 'Dust extractor' [patent_app_type] => 1 [patent_app_number] => 8/588744 [patent_app_country] => US [patent_app_date] => 1996-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1004 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/688/05688082.pdf [firstpage_image] =>[orig_patent_app_number] => 588744 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/588744
Dust extractor Jan 18, 1996 Issued
Array ( [id] => 3774255 [patent_doc_number] => 05735650 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-04-07 [patent_title] => 'Drill bit for drilling an undercut hole' [patent_app_type] => 1 [patent_app_number] => 8/587395 [patent_app_country] => US [patent_app_date] => 1996-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3575 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 328 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/735/05735650.pdf [firstpage_image] =>[orig_patent_app_number] => 587395 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/587395
Drill bit for drilling an undercut hole Jan 16, 1996 Issued
Array ( [id] => 3728062 [patent_doc_number] => 05800099 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-01 [patent_title] => 'Hole saw guide clamp system' [patent_app_type] => 1 [patent_app_number] => 8/587301 [patent_app_country] => US [patent_app_date] => 1996-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 14 [patent_no_of_words] => 3996 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/800/05800099.pdf [firstpage_image] =>[orig_patent_app_number] => 587301 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/587301
Hole saw guide clamp system Jan 15, 1996 Issued
Array ( [id] => 3769957 [patent_doc_number] => 05820319 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-13 [patent_title] => 'Auger bit having a replaceable tip' [patent_app_type] => 1 [patent_app_number] => 8/586001 [patent_app_country] => US [patent_app_date] => 1996-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 1455 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/820/05820319.pdf [firstpage_image] =>[orig_patent_app_number] => 586001 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/586001
Auger bit having a replaceable tip Jan 15, 1996 Issued
Array ( [id] => 3695477 [patent_doc_number] => 05653560 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-08-05 [patent_title] => 'Method and apparatus for forming a hole in a workpiece' [patent_app_type] => 1 [patent_app_number] => 8/584204 [patent_app_country] => US [patent_app_date] => 1996-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 7217 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 295 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/653/05653560.pdf [firstpage_image] =>[orig_patent_app_number] => 584204 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/584204
Method and apparatus for forming a hole in a workpiece Jan 3, 1996 Issued
Array ( [id] => 3669000 [patent_doc_number] => 05694820 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-12-09 [patent_title] => 'Tool unit clamping apparatus having improved short stroke locking mechanism' [patent_app_type] => 1 [patent_app_number] => 8/575712 [patent_app_country] => US [patent_app_date] => 1995-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 15 [patent_no_of_words] => 5025 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/694/05694820.pdf [firstpage_image] =>[orig_patent_app_number] => 575712 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/575712
Tool unit clamping apparatus having improved short stroke locking mechanism Dec 19, 1995 Issued
Array ( [id] => 3757871 [patent_doc_number] => 05733074 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-03-31 [patent_title] => 'Manual tool for removing material from brittle and/or non-ductile stock' [patent_app_type] => 1 [patent_app_number] => 8/572771 [patent_app_country] => US [patent_app_date] => 1995-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 19 [patent_no_of_words] => 6982 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/733/05733074.pdf [firstpage_image] =>[orig_patent_app_number] => 572771 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/572771
Manual tool for removing material from brittle and/or non-ductile stock Dec 14, 1995 Issued
Array ( [id] => 3727933 [patent_doc_number] => 05752789 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-19 [patent_title] => 'Right angle peck drill' [patent_app_type] => 1 [patent_app_number] => 8/572946 [patent_app_country] => US [patent_app_date] => 1995-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 1765 [patent_no_of_claims] => 8 [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] => patents/05/752/05752789.pdf [firstpage_image] =>[orig_patent_app_number] => 572946 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/572946
Right angle peck drill Dec 14, 1995 Issued
Array ( [id] => 3652273 [patent_doc_number] => 05596914 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-01-28 [patent_title] => 'Foil cutting device' [patent_app_type] => 1 [patent_app_number] => 8/573558 [patent_app_country] => US [patent_app_date] => 1995-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 3192 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 257 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/596/05596914.pdf [firstpage_image] =>[orig_patent_app_number] => 573558 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/573558
Foil cutting device Dec 14, 1995 Issued
08/572231 CUTTING TOOL FOR MACHINING TITANIUM AND TITANIUM ALLOYS Dec 12, 1995 Abandoned
Array ( [id] => 3651697 [patent_doc_number] => 05647701 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-07-15 [patent_title] => 'Multiple spindle screw machine box tool insert holder' [patent_app_type] => 1 [patent_app_number] => 8/571531 [patent_app_country] => US [patent_app_date] => 1995-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 2557 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/647/05647701.pdf [firstpage_image] =>[orig_patent_app_number] => 571531 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/571531
Multiple spindle screw machine box tool insert holder Dec 12, 1995 Issued
Array ( [id] => 3657533 [patent_doc_number] => 05597268 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-01-28 [patent_title] => 'Milling cutter for T shaped groove' [patent_app_type] => 1 [patent_app_number] => 8/567700 [patent_app_country] => US [patent_app_date] => 1995-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 2905 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/597/05597268.pdf [firstpage_image] =>[orig_patent_app_number] => 567700 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/567700
Milling cutter for T shaped groove Dec 4, 1995 Issued
Array ( [id] => 3750909 [patent_doc_number] => 05741096 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-04-21 [patent_title] => 'Line-laser assisted alignment apparatus' [patent_app_type] => 1 [patent_app_number] => 8/565335 [patent_app_country] => US [patent_app_date] => 1995-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 15 [patent_no_of_words] => 4535 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/741/05741096.pdf [firstpage_image] =>[orig_patent_app_number] => 565335 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/565335
Line-laser assisted alignment apparatus Nov 29, 1995 Issued
Array ( [id] => 3578319 [patent_doc_number] => 05584616 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-17 [patent_title] => 'Cutting insert' [patent_app_type] => 1 [patent_app_number] => 8/563738 [patent_app_country] => US [patent_app_date] => 1995-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 1471 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/584/05584616.pdf [firstpage_image] =>[orig_patent_app_number] => 563738 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/563738
Cutting insert Nov 27, 1995 Issued
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