Search

Michael Trettel

Examiner (ID: 12152)

Most Active Art Unit
3673
Art Unit(s)
3633, 3673, 3505, 3508, 3628, 3627
Total Applications
3400
Issued Applications
2895
Pending Applications
103
Abandoned Applications
401

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2581166 [patent_doc_number] => 04964433 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-10-23 [patent_title] => 'Rotary valve' [patent_app_type] => 1 [patent_app_number] => 7/480085 [patent_app_country] => US [patent_app_date] => 1990-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 16 [patent_no_of_words] => 6314 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/964/04964433.pdf [firstpage_image] =>[orig_patent_app_number] => 480085 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/480085
Rotary valve Feb 13, 1990 Issued
Array ( [id] => 2691598 [patent_doc_number] => 05040569 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-20 [patent_title] => 'Direct-operated servo valve, fluid pressure servo mechanism and control method for the direct-operated servo valve' [patent_app_type] => 1 [patent_app_number] => 7/479519 [patent_app_country] => US [patent_app_date] => 1990-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 21 [patent_no_of_words] => 6559 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/040/05040569.pdf [firstpage_image] =>[orig_patent_app_number] => 479519 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/479519
Direct-operated servo valve, fluid pressure servo mechanism and control method for the direct-operated servo valve Feb 12, 1990 Issued
07/479052 METHOD AND APPARATUS FOR MONITORING A FLUID CONDUIT SYSTEM Feb 11, 1990 Abandoned
Array ( [id] => 2564134 [patent_doc_number] => 04972868 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-27 [patent_title] => 'Flow restrictor and diverter for direct acting pressure regulator' [patent_app_type] => 1 [patent_app_number] => 7/477234 [patent_app_country] => US [patent_app_date] => 1990-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 4427 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/972/04972868.pdf [firstpage_image] =>[orig_patent_app_number] => 477234 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/477234
Flow restrictor and diverter for direct acting pressure regulator Feb 7, 1990 Issued
Array ( [id] => 2575992 [patent_doc_number] => 04969484 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-13 [patent_title] => 'Reversible flow check valve' [patent_app_type] => 1 [patent_app_number] => 7/476514 [patent_app_country] => US [patent_app_date] => 1990-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 3509 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/969/04969484.pdf [firstpage_image] =>[orig_patent_app_number] => 476514 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/476514
Reversible flow check valve Feb 6, 1990 Issued
Array ( [id] => 2689878 [patent_doc_number] => 05012836 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-07 [patent_title] => 'Servovalve apparatus for use in fluid systems' [patent_app_type] => 1 [patent_app_number] => 7/473301 [patent_app_country] => US [patent_app_date] => 1990-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 9 [patent_no_of_words] => 5388 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/012/05012836.pdf [firstpage_image] =>[orig_patent_app_number] => 473301 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/473301
Servovalve apparatus for use in fluid systems Jan 30, 1990 Issued
Array ( [id] => 2748696 [patent_doc_number] => 05005600 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-09 [patent_title] => 'Servovalve apparatus for use in fluid systems' [patent_app_type] => 1 [patent_app_number] => 7/472701 [patent_app_country] => US [patent_app_date] => 1990-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 3396 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/005/05005600.pdf [firstpage_image] =>[orig_patent_app_number] => 472701 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/472701
Servovalve apparatus for use in fluid systems Jan 30, 1990 Issued
Array ( [id] => 2693375 [patent_doc_number] => 04981154 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-01-01 [patent_title] => 'Fluid flow control device' [patent_app_type] => 1 [patent_app_number] => 7/472366 [patent_app_country] => US [patent_app_date] => 1990-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1903 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/981/04981154.pdf [firstpage_image] =>[orig_patent_app_number] => 472366 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/472366
Fluid flow control device Jan 29, 1990 Issued
Array ( [id] => 2576216 [patent_doc_number] => 04958653 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-25 [patent_title] => 'Drag reduction method for gas pipelines' [patent_app_type] => 1 [patent_app_number] => 7/471584 [patent_app_country] => US [patent_app_date] => 1990-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2714 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/958/04958653.pdf [firstpage_image] =>[orig_patent_app_number] => 471584 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/471584
Drag reduction method for gas pipelines Jan 28, 1990 Issued
Array ( [id] => 2729809 [patent_doc_number] => 04986302 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-01-22 [patent_title] => 'Valve of direct passage type which is responsive to fluid pressure' [patent_app_type] => 1 [patent_app_number] => 7/465793 [patent_app_country] => US [patent_app_date] => 1990-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 2227 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/986/04986302.pdf [firstpage_image] =>[orig_patent_app_number] => 465793 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/465793
Valve of direct passage type which is responsive to fluid pressure Jan 15, 1990 Issued
Array ( [id] => 2797512 [patent_doc_number] => 05085242 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-04 [patent_title] => 'Method and apparatus for the removal of black oil residues from tanks' [patent_app_type] => 1 [patent_app_number] => 7/464873 [patent_app_country] => US [patent_app_date] => 1990-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 9568 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/085/05085242.pdf [firstpage_image] =>[orig_patent_app_number] => 464873 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/464873
Method and apparatus for the removal of black oil residues from tanks Jan 15, 1990 Issued
07/460427 SPRINKLER FLOW CONTROL APPARATUS AND METHOD Jan 2, 1990 Abandoned
Array ( [id] => 2691189 [patent_doc_number] => 05060686 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-29 [patent_title] => 'Multi-piece nozzle for steam condensate removal devices' [patent_app_type] => 1 [patent_app_number] => 7/457361 [patent_app_country] => US [patent_app_date] => 1989-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 6 [patent_no_of_words] => 2907 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/060/05060686.pdf [firstpage_image] =>[orig_patent_app_number] => 457361 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/457361
Multi-piece nozzle for steam condensate removal devices Dec 26, 1989 Issued
Array ( [id] => 2755237 [patent_doc_number] => 04984602 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-01-15 [patent_title] => 'Pressure control apparatus and apparatus for effecting extraction chromatographic separation, and fractionation by employing the same' [patent_app_type] => 1 [patent_app_number] => 7/455804 [patent_app_country] => US [patent_app_date] => 1989-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 8675 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/984/04984602.pdf [firstpage_image] =>[orig_patent_app_number] => 455804 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/455804
Pressure control apparatus and apparatus for effecting extraction chromatographic separation, and fractionation by employing the same Dec 21, 1989 Issued
07/451806 FLOW METERING INJECTION CONTROLLER Dec 17, 1989 Abandoned
Array ( [id] => 2640399 [patent_doc_number] => 04971099 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-20 [patent_title] => 'Pressure balanced cartridge choke valve' [patent_app_type] => 1 [patent_app_number] => 7/451302 [patent_app_country] => US [patent_app_date] => 1989-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3083 [patent_no_of_claims] => 8 [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/04/971/04971099.pdf [firstpage_image] =>[orig_patent_app_number] => 451302 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/451302
Pressure balanced cartridge choke valve Dec 14, 1989 Issued
Array ( [id] => 2689167 [patent_doc_number] => 05054510 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-08 [patent_title] => 'Selective valve to pass fluids' [patent_app_type] => 1 [patent_app_number] => 7/449213 [patent_app_country] => US [patent_app_date] => 1989-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2735 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/054/05054510.pdf [firstpage_image] =>[orig_patent_app_number] => 449213 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/449213
Selective valve to pass fluids Dec 11, 1989 Issued
Array ( [id] => 2718900 [patent_doc_number] => 05050635 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-24 [patent_title] => 'Relief valve' [patent_app_type] => 1 [patent_app_number] => 7/453034 [patent_app_country] => US [patent_app_date] => 1989-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 4885 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/050/05050635.pdf [firstpage_image] =>[orig_patent_app_number] => 453034 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/453034
Relief valve Dec 10, 1989 Issued
Array ( [id] => 2690073 [patent_doc_number] => 04991614 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-12 [patent_title] => 'Method and a plant for transport of hydrocarbons over a long distance from an offshore source of hydrocarbons' [patent_app_type] => 1 [patent_app_number] => 7/438412 [patent_app_country] => US [patent_app_date] => 1989-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2831 [patent_no_of_claims] => 5 [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/04/991/04991614.pdf [firstpage_image] =>[orig_patent_app_number] => 438412 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/438412
Method and a plant for transport of hydrocarbons over a long distance from an offshore source of hydrocarbons Dec 6, 1989 Issued
Array ( [id] => 2684227 [patent_doc_number] => 04987918 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-01-29 [patent_title] => 'Trap for steam condensates' [patent_app_type] => 1 [patent_app_number] => 7/445747 [patent_app_country] => US [patent_app_date] => 1989-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1588 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/987/04987918.pdf [firstpage_image] =>[orig_patent_app_number] => 445747 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/445747
Trap for steam condensates Dec 3, 1989 Issued
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