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
08/435361 MACHINE ALIGNMENT COMPENSATION ACTUATOR SYSTEM May 4, 1995 Abandoned
08/434938 DEAD CENTER FOR MACHINE TOOLS May 3, 1995 Abandoned
Array ( [id] => 3620996 [patent_doc_number] => 05630346 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-05-20 [patent_title] => 'Portable flange facer' [patent_app_type] => 1 [patent_app_number] => 8/432979 [patent_app_country] => US [patent_app_date] => 1995-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 4904 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/630/05630346.pdf [firstpage_image] =>[orig_patent_app_number] => 432979 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/432979
Portable flange facer May 1, 1995 Issued
Array ( [id] => 3657589 [patent_doc_number] => 05597272 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-01-28 [patent_title] => 'Coated hard alloy tool' [patent_app_type] => 1 [patent_app_number] => 8/427601 [patent_app_country] => US [patent_app_date] => 1995-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 10 [patent_no_of_words] => 6030 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/597/05597272.pdf [firstpage_image] =>[orig_patent_app_number] => 427601 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/427601
Coated hard alloy tool Apr 23, 1995 Issued
Array ( [id] => 3845494 [patent_doc_number] => 05704737 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-01-06 [patent_title] => 'Cutting insert with chip control' [patent_app_type] => 1 [patent_app_number] => 8/425511 [patent_app_country] => US [patent_app_date] => 1995-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 3752 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 291 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/704/05704737.pdf [firstpage_image] =>[orig_patent_app_number] => 425511 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/425511
Cutting insert with chip control Apr 19, 1995 Issued
Array ( [id] => 3905600 [patent_doc_number] => 05927168 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-27 [patent_title] => 'Tool unit clamping apparatus having improved short stroke locking mechanism' [patent_app_type] => 1 [patent_app_number] => 8/423617 [patent_app_country] => US [patent_app_date] => 1995-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 4065 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/927/05927168.pdf [firstpage_image] =>[orig_patent_app_number] => 423617 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/423617
Tool unit clamping apparatus having improved short stroke locking mechanism Apr 16, 1995 Issued
Array ( [id] => 3806738 [patent_doc_number] => 05730037 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-03-24 [patent_title] => 'Multi-spindle machine control systems' [patent_app_type] => 1 [patent_app_number] => 8/423238 [patent_app_country] => US [patent_app_date] => 1995-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 7056 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/730/05730037.pdf [firstpage_image] =>[orig_patent_app_number] => 423238 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/423238
Multi-spindle machine control systems Apr 16, 1995 Issued
Array ( [id] => 3571994 [patent_doc_number] => 05580197 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-03 [patent_title] => 'Pneumatically self-clearing chuck' [patent_app_type] => 1 [patent_app_number] => 8/411520 [patent_app_country] => US [patent_app_date] => 1995-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 3356 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/580/05580197.pdf [firstpage_image] =>[orig_patent_app_number] => 411520 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/411520
Pneumatically self-clearing chuck Mar 27, 1995 Issued
Array ( [id] => 3647948 [patent_doc_number] => 05590985 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-01-07 [patent_title] => 'Drill with pneumatically self-clearing chuck' [patent_app_type] => 1 [patent_app_number] => 8/411522 [patent_app_country] => US [patent_app_date] => 1995-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2498 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/590/05590985.pdf [firstpage_image] =>[orig_patent_app_number] => 411522 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/411522
Drill with pneumatically self-clearing chuck Mar 27, 1995 Issued
Array ( [id] => 3795999 [patent_doc_number] => 05810519 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-22 [patent_title] => 'Helical cutting insert with offset cutting edges' [patent_app_type] => 1 [patent_app_number] => 8/406267 [patent_app_country] => US [patent_app_date] => 1995-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 13 [patent_no_of_words] => 3566 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/810/05810519.pdf [firstpage_image] =>[orig_patent_app_number] => 406267 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/406267
Helical cutting insert with offset cutting edges Mar 16, 1995 Issued
Array ( [id] => 4270317 [patent_doc_number] => 06196094 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-03-06 [patent_title] => 'Tool unit clamping apparatus having a locking mechanism with increased gripping force' [patent_app_type] => 1 [patent_app_number] => 8/406088 [patent_app_country] => US [patent_app_date] => 1995-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2968 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 312 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/196/06196094.pdf [firstpage_image] =>[orig_patent_app_number] => 406088 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/406088
Tool unit clamping apparatus having a locking mechanism with increased gripping force Mar 16, 1995 Issued
Array ( [id] => 3610826 [patent_doc_number] => 05688083 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-11-18 [patent_title] => 'Drilling tool and an indexing cutting insert for use therein' [patent_app_type] => 1 [patent_app_number] => 8/373326 [patent_app_country] => US [patent_app_date] => 1995-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 22 [patent_no_of_words] => 5352 [patent_no_of_claims] => 45 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/688/05688083.pdf [firstpage_image] =>[orig_patent_app_number] => 373326 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/373326
Drilling tool and an indexing cutting insert for use therein Mar 15, 1995 Issued
Array ( [id] => 3529915 [patent_doc_number] => 05553645 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-09-10 [patent_title] => 'Drilling and counterboring apparatus and method for forming screw pockets' [patent_app_type] => 1 [patent_app_number] => 8/401952 [patent_app_country] => US [patent_app_date] => 1995-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 6598 [patent_no_of_claims] => 28 [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] => patents/05/553/05553645.pdf [firstpage_image] =>[orig_patent_app_number] => 401952 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/401952
Drilling and counterboring apparatus and method for forming screw pockets Mar 9, 1995 Issued
Array ( [id] => 3727948 [patent_doc_number] => 05752790 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-19 [patent_title] => 'Method and apparatus for determining the suitability of workpieces for machining' [patent_app_type] => 1 [patent_app_number] => 8/399661 [patent_app_country] => US [patent_app_date] => 1995-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3374 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/752/05752790.pdf [firstpage_image] =>[orig_patent_app_number] => 399661 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/399661
Method and apparatus for determining the suitability of workpieces for machining Mar 6, 1995 Issued
Array ( [id] => 3875122 [patent_doc_number] => 05833409 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-10 [patent_title] => 'Power tools' [patent_app_type] => 1 [patent_app_number] => 8/398190 [patent_app_country] => US [patent_app_date] => 1995-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1627 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/833/05833409.pdf [firstpage_image] =>[orig_patent_app_number] => 398190 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/398190
Power tools Mar 1, 1995 Issued
Array ( [id] => 3729079 [patent_doc_number] => 05785469 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-07-28 [patent_title] => 'Working apparatus' [patent_app_type] => 1 [patent_app_number] => 8/396471 [patent_app_country] => US [patent_app_date] => 1995-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3900 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/785/05785469.pdf [firstpage_image] =>[orig_patent_app_number] => 396471 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/396471
Working apparatus Mar 1, 1995 Issued
Array ( [id] => 3612463 [patent_doc_number] => 05601388 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-02-11 [patent_title] => 'Tool holder for a rotary and/or chisel hammer' [patent_app_type] => 1 [patent_app_number] => 8/400051 [patent_app_country] => US [patent_app_date] => 1995-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 5201 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/601/05601388.pdf [firstpage_image] =>[orig_patent_app_number] => 400051 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/400051
Tool holder for a rotary and/or chisel hammer Feb 15, 1995 Issued
08/385570 APPARATUS FOR ENVIRONMENTALLY SAFE COOLING OF CUTTING TOOLS Feb 7, 1995 Abandoned
Array ( [id] => 3582262 [patent_doc_number] => 05557995 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-09-24 [patent_title] => 'Radial cutting tools for cutting thick-walled tubular members' [patent_app_type] => 1 [patent_app_number] => 8/383502 [patent_app_country] => US [patent_app_date] => 1995-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 7430 [patent_no_of_claims] => 42 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/557/05557995.pdf [firstpage_image] =>[orig_patent_app_number] => 383502 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/383502
Radial cutting tools for cutting thick-walled tubular members Feb 1, 1995 Issued
Array ( [id] => 3578363 [patent_doc_number] => 05584619 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-17 [patent_title] => 'Method of and arrangement for preventing accidents during operation of a manually-operated machine tool with a rotatable toolbit' [patent_app_type] => 1 [patent_app_number] => 8/364154 [patent_app_country] => US [patent_app_date] => 1994-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3602 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/584/05584619.pdf [firstpage_image] =>[orig_patent_app_number] => 364154 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/364154
Method of and arrangement for preventing accidents during operation of a manually-operated machine tool with a rotatable toolbit Dec 26, 1994 Issued
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