Search

Alan Cohan

Examiner (ID: 8666)

Most Active Art Unit
3407
Art Unit(s)
3407, 2102, 3504, 3401, 2899
Total Applications
1324
Issued Applications
1203
Pending Applications
0
Abandoned Applications
121

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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