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David J Walczak

Examiner (ID: 233, Phone: (571)272-4895 , Office: P/3754 )

Most Active Art Unit
3754
Art Unit(s)
3754, 2899, 2403, 3105, 3751, 2832
Total Applications
4531
Issued Applications
3515
Pending Applications
215
Abandoned Applications
801

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3976362 [patent_doc_number] => 05984575 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-16 [patent_title] => 'Flood flow modulator' [patent_app_type] => 1 [patent_app_number] => 9/075998 [patent_app_country] => US [patent_app_date] => 1998-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 1691 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/984/05984575.pdf [firstpage_image] =>[orig_patent_app_number] => 075998 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/075998
Flood flow modulator May 10, 1998 Issued
Array ( [id] => 4172382 [patent_doc_number] => 06041874 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-28 [patent_title] => 'Tubular actuator component for use in a drill string' [patent_app_type] => 1 [patent_app_number] => 8/945863 [patent_app_country] => US [patent_app_date] => 1998-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 21 [patent_no_of_words] => 2655 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/041/06041874.pdf [firstpage_image] =>[orig_patent_app_number] => 945863 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/945863
Tubular actuator component for use in a drill string Apr 27, 1998 Issued
Array ( [id] => 4190407 [patent_doc_number] => 06026914 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-02-22 [patent_title] => 'Wellbore profiling system' [patent_app_type] => 1 [patent_app_number] => 9/014691 [patent_app_country] => US [patent_app_date] => 1998-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 6287 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/026/06026914.pdf [firstpage_image] =>[orig_patent_app_number] => 014691 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/014691
Wellbore profiling system Jan 27, 1998 Issued
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