Search

Duane Smith

Supervisory Patent Examiner (ID: 15939, Phone: (571)272-1166 , Office: P/1776 )

Most Active Art Unit
1724
Art Unit(s)
1305, 1700, 1759, 3621, 1797, 1776, 1724, 1737
Total Applications
1355
Issued Applications
1012
Pending Applications
134
Abandoned Applications
216

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 4422577 [patent_doc_number] => 06177597 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-23 [patent_title] => 'Glycol solvents and process' [patent_app_type] => 1 [patent_app_number] => 9/347737 [patent_app_country] => US [patent_app_date] => 1999-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1890 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/177/06177597.pdf [firstpage_image] =>[orig_patent_app_number] => 347737 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/347737
Glycol solvents and process Jul 5, 1999 Issued
Array ( [id] => 4338972 [patent_doc_number] => 06214093 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-04-10 [patent_title] => 'Filter medium for air filters' [patent_app_type] => 1 [patent_app_number] => 9/343688 [patent_app_country] => US [patent_app_date] => 1999-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 5662 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/214/06214093.pdf [firstpage_image] =>[orig_patent_app_number] => 343688 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/343688
Filter medium for air filters Jun 29, 1999 Issued
Array ( [id] => 4349108 [patent_doc_number] => 06190438 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-20 [patent_title] => 'Mist eliminator' [patent_app_type] => 1 [patent_app_number] => 9/331863 [patent_app_country] => US [patent_app_date] => 1999-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3601 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/190/06190438.pdf [firstpage_image] =>[orig_patent_app_number] => 331863 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/331863
Mist eliminator Jun 23, 1999 Issued
Array ( [id] => 4262028 [patent_doc_number] => 06245128 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-06-12 [patent_title] => 'Process for the reclamation of spent alkanolamine solution' [patent_app_type] => 1 [patent_app_number] => 9/333196 [patent_app_country] => US [patent_app_date] => 1999-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8450 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/245/06245128.pdf [firstpage_image] =>[orig_patent_app_number] => 333196 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/333196
Process for the reclamation of spent alkanolamine solution Jun 14, 1999 Issued
Array ( [id] => 4283460 [patent_doc_number] => 06179901 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-30 [patent_title] => 'Apparatus and method for producing HF from phosphate rock' [patent_app_type] => 1 [patent_app_number] => 9/332085 [patent_app_country] => US [patent_app_date] => 1999-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2806 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 290 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/179/06179901.pdf [firstpage_image] =>[orig_patent_app_number] => 332085 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/332085
Apparatus and method for producing HF from phosphate rock Jun 13, 1999 Issued
Array ( [id] => 4397910 [patent_doc_number] => 06231649 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-15 [patent_title] => 'Apparatus for separating particles from a fluid and a valve for introducing bled fluid to a mainstream fluid' [patent_app_type] => 1 [patent_app_number] => 9/214732 [patent_app_country] => US [patent_app_date] => 1999-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 4279 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/231/06231649.pdf [firstpage_image] =>[orig_patent_app_number] => 214732 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/214732
Apparatus for separating particles from a fluid and a valve for introducing bled fluid to a mainstream fluid Jun 10, 1999 Issued
Array ( [id] => 4174292 [patent_doc_number] => 06149703 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-21 [patent_title] => 'Fuel system filtering apparatus' [patent_app_type] => 1 [patent_app_number] => 9/329985 [patent_app_country] => US [patent_app_date] => 1999-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2506 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/149/06149703.pdf [firstpage_image] =>[orig_patent_app_number] => 329985 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/329985
Fuel system filtering apparatus Jun 9, 1999 Issued
Array ( [id] => 4131787 [patent_doc_number] => 06015443 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-18 [patent_title] => 'Modular pulsing header for fabric filters' [patent_app_type] => 1 [patent_app_number] => 9/328823 [patent_app_country] => US [patent_app_date] => 1999-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2041 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/015/06015443.pdf [firstpage_image] =>[orig_patent_app_number] => 328823 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/328823
Modular pulsing header for fabric filters Jun 8, 1999 Issued
Array ( [id] => 4311334 [patent_doc_number] => 06248153 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-06-19 [patent_title] => 'Diffusional gas transfer system and method of using same' [patent_app_type] => 1 [patent_app_number] => 9/327165 [patent_app_country] => US [patent_app_date] => 1999-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 22 [patent_no_of_words] => 23566 [patent_no_of_claims] => 77 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/248/06248153.pdf [firstpage_image] =>[orig_patent_app_number] => 327165 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/327165
Diffusional gas transfer system and method of using same Jun 8, 1999 Issued
Array ( [id] => 4411544 [patent_doc_number] => 06193783 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-27 [patent_title] => 'Apparatus and method for supplying a process solution' [patent_app_type] => 1 [patent_app_number] => 9/328770 [patent_app_country] => US [patent_app_date] => 1999-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4662 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/193/06193783.pdf [firstpage_image] =>[orig_patent_app_number] => 328770 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/328770
Apparatus and method for supplying a process solution Jun 8, 1999 Issued
Array ( [id] => 4284922 [patent_doc_number] => 06197077 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-03-06 [patent_title] => 'Filter screen assembly for mounting over an air intake opening' [patent_app_type] => 1 [patent_app_number] => 9/324434 [patent_app_country] => US [patent_app_date] => 1999-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 2196 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/197/06197077.pdf [firstpage_image] =>[orig_patent_app_number] => 324434 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/324434
Filter screen assembly for mounting over an air intake opening May 31, 1999 Issued
Array ( [id] => 4285635 [patent_doc_number] => 06183529 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-06 [patent_title] => 'High temperature gas filter assembly' [patent_app_type] => 1 [patent_app_number] => 9/323296 [patent_app_country] => US [patent_app_date] => 1999-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1760 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/183/06183529.pdf [firstpage_image] =>[orig_patent_app_number] => 323296 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/323296
High temperature gas filter assembly May 31, 1999 Issued
Array ( [id] => 4123033 [patent_doc_number] => 06146433 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-14 [patent_title] => 'Internal air baffle' [patent_app_type] => 1 [patent_app_number] => 9/309700 [patent_app_country] => US [patent_app_date] => 1999-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3476 [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/06/146/06146433.pdf [firstpage_image] =>[orig_patent_app_number] => 309700 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/309700
Internal air baffle May 10, 1999 Issued
Array ( [id] => 4294212 [patent_doc_number] => 06187079 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-13 [patent_title] => 'Three-phase separator' [patent_app_type] => 1 [patent_app_number] => 9/309566 [patent_app_country] => US [patent_app_date] => 1999-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2347 [patent_no_of_claims] => 62 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/187/06187079.pdf [firstpage_image] =>[orig_patent_app_number] => 309566 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/309566
Three-phase separator May 10, 1999 Issued
Array ( [id] => 4277372 [patent_doc_number] => 06210467 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-04-03 [patent_title] => 'Carbon dioxide cleaning system with improved recovery' [patent_app_type] => 1 [patent_app_number] => 9/306816 [patent_app_country] => US [patent_app_date] => 1999-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2238 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/210/06210467.pdf [firstpage_image] =>[orig_patent_app_number] => 306816 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/306816
Carbon dioxide cleaning system with improved recovery May 6, 1999 Issued
Array ( [id] => 4224796 [patent_doc_number] => 06117213 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-09-12 [patent_title] => 'Particle trap apparatus and methods' [patent_app_type] => 1 [patent_app_number] => 9/307292 [patent_app_country] => US [patent_app_date] => 1999-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 2914 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/117/06117213.pdf [firstpage_image] =>[orig_patent_app_number] => 307292 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/307292
Particle trap apparatus and methods May 6, 1999 Issued
09/254140 METHOD AND APPARATUS FOR TREATMENT OF HOT VAPORS May 2, 1999 Abandoned
Array ( [id] => 4350579 [patent_doc_number] => 06174350 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-16 [patent_title] => 'Vacuum cleaner' [patent_app_type] => 1 [patent_app_number] => 9/302212 [patent_app_country] => US [patent_app_date] => 1999-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 2708 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/174/06174350.pdf [firstpage_image] =>[orig_patent_app_number] => 302212 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/302212
Vacuum cleaner Apr 28, 1999 Issued
Array ( [id] => 4277387 [patent_doc_number] => 06210468 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-04-03 [patent_title] => 'Multiple weir scrubber' [patent_app_type] => 1 [patent_app_number] => 9/302008 [patent_app_country] => US [patent_app_date] => 1999-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3780 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/210/06210468.pdf [firstpage_image] =>[orig_patent_app_number] => 302008 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/302008
Multiple weir scrubber Apr 26, 1999 Issued
Array ( [id] => 4340798 [patent_doc_number] => 06189871 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-20 [patent_title] => 'Steam introduction device in a power plant' [patent_app_type] => 1 [patent_app_number] => 9/299647 [patent_app_country] => US [patent_app_date] => 1999-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2081 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/189/06189871.pdf [firstpage_image] =>[orig_patent_app_number] => 299647 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/299647
Steam introduction device in a power plant Apr 23, 1999 Issued
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