Search

Stephen D. Alvesteffer

Examiner (ID: 19061)

Most Active Art Unit
3715
Art Unit(s)
2175, 2173, 2171, 3715
Total Applications
503
Issued Applications
260
Pending Applications
72
Abandoned Applications
194

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20289065 [patent_doc_number] => 20250314308 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-09 [patent_title] => EXCHANGER TAP, PARTICULARLY FOR REFRIGERATION CYCLE PLANTS [patent_app_type] => utility [patent_app_number] => 19/056006 [patent_app_country] => US [patent_app_date] => 2025-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19056006 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/056006
EXCHANGER TAP, PARTICULARLY FOR REFRIGERATION CYCLE PLANTS Feb 17, 2025 Pending
Array ( [id] => 20069446 [patent_doc_number] => 20250207668 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => FIRE-RESISTANT GLOBE VALVE [patent_app_type] => utility [patent_app_number] => 18/988217 [patent_app_country] => US [patent_app_date] => 2024-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1148 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18988217 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/988217
FIRE-RESISTANT GLOBE VALVE Dec 18, 2024 Pending
Array ( [id] => 20050834 [patent_doc_number] => 20250189056 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => PRE-MOUNTABLE CONTROL ROD ASSEMBLY AND COUPLING STRUCTURE FOR A CONTROL VALVE FOR ADJUSTING A PROCESS FLUID FLOW, AND CONTROL VALVE AND METHOD FOR MOUNTING THE SAME [patent_app_type] => utility [patent_app_number] => 18/973920 [patent_app_country] => US [patent_app_date] => 2024-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10567 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18973920 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/973920
PRE-MOUNTABLE CONTROL ROD ASSEMBLY AND COUPLING STRUCTURE FOR A CONTROL VALVE FOR ADJUSTING A PROCESS FLUID FLOW, AND CONTROL VALVE AND METHOD FOR MOUNTING THE SAME Dec 8, 2024 Pending
Array ( [id] => 20151158 [patent_doc_number] => 20250250996 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [patent_title] => VALVE SYSTEM [patent_app_type] => utility [patent_app_number] => 18/974276 [patent_app_country] => US [patent_app_date] => 2024-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18974276 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/974276
VALVE SYSTEM Dec 8, 2024 Pending
Array ( [id] => 20289079 [patent_doc_number] => 20250314322 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-09 [patent_title] => BACKWATER VALVE COVER SYSTEM [patent_app_type] => utility [patent_app_number] => 18/974064 [patent_app_country] => US [patent_app_date] => 2024-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18974064 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/974064
BACKWATER VALVE COVER SYSTEM Dec 8, 2024 Pending
Array ( [id] => 20069453 [patent_doc_number] => 20250207675 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => Cartridge Check Valve [patent_app_type] => utility [patent_app_number] => 18/972784 [patent_app_country] => US [patent_app_date] => 2024-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18972784 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/972784
Cartridge Check Valve Dec 5, 2024 Pending
Array ( [id] => 20099644 [patent_doc_number] => 20250229580 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-17 [patent_title] => DEVICE AND METHOD FOR A HIGH AIR FLOW VALVE STEM PLUG [patent_app_type] => utility [patent_app_number] => 18/930116 [patent_app_country] => US [patent_app_date] => 2024-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18930116 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/930116
DEVICE AND METHOD FOR A HIGH AIR FLOW VALVE STEM PLUG Oct 28, 2024 Pending
Array ( [id] => 20280346 [patent_doc_number] => 20250305588 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-02 [patent_title] => FLOW DIFFUSER VALVE FOR VARIABLE HYDRAULIC RESISTANCE [patent_app_type] => utility [patent_app_number] => 18/918707 [patent_app_country] => US [patent_app_date] => 2024-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18918707 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/918707
FLOW DIFFUSER VALVE FOR VARIABLE HYDRAULIC RESISTANCE Oct 16, 2024 Pending
Array ( [id] => 19724821 [patent_doc_number] => 20250027572 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-23 [patent_title] => BALANCE VALVE, BATTERY AND POWER CONSUMPTION APPARATUS [patent_app_type] => utility [patent_app_number] => 18/910759 [patent_app_country] => US [patent_app_date] => 2024-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8934 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18910759 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/910759
Balance valve, battery and power consumption apparatus Oct 8, 2024 Issued
Array ( [id] => 19746658 [patent_doc_number] => 20250035223 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => BALANCE VALVE, BATTERY AND POWER CONSUMPTION APPARATUS [patent_app_type] => utility [patent_app_number] => 18/910736 [patent_app_country] => US [patent_app_date] => 2024-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8934 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18910736 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/910736
Balance valve, battery and power consumption apparatus Oct 8, 2024 Issued
Array ( [id] => 20050823 [patent_doc_number] => 20250189045 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => CLAMPED DIAPHRAGM VALVE ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/909170 [patent_app_country] => US [patent_app_date] => 2024-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18909170 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/909170
CLAMPED DIAPHRAGM VALVE ASSEMBLY Oct 7, 2024 Pending
Array ( [id] => 20220617 [patent_doc_number] => 20250283548 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => PRESSURE EQUALIZATION APPARATUS AND USE THEREOF [patent_app_type] => utility [patent_app_number] => 18/906242 [patent_app_country] => US [patent_app_date] => 2024-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18906242 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/906242
PRESSURE EQUALIZATION APPARATUS AND USE THEREOF Oct 3, 2024 Pending
Array ( [id] => 19991629 [patent_doc_number] => 20250129851 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-24 [patent_title] => OPENING/CLOSING VALVE [patent_app_type] => utility [patent_app_number] => 18/887135 [patent_app_country] => US [patent_app_date] => 2024-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7175 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18887135 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/887135
OPENING/CLOSING VALVE Sep 16, 2024 Pending
Array ( [id] => 19801421 [patent_doc_number] => 20250067346 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => VALVE STRUCTURE FOR PROPANE TANK AND METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/828563 [patent_app_country] => US [patent_app_date] => 2024-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5061 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 322 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18828563 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/828563
VALVE STRUCTURE FOR PROPANE TANK AND METHOD THEREOF Sep 8, 2024 Pending
Array ( [id] => 19809973 [patent_doc_number] => 12241347 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-04 [patent_title] => Robust gas lift valve suitable for use in harsh environments with multiple seals [patent_app_type] => utility [patent_app_number] => 18/827299 [patent_app_country] => US [patent_app_date] => 2024-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7835 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18827299 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/827299
Robust gas lift valve suitable for use in harsh environments with multiple seals Sep 5, 2024 Issued
Array ( [id] => 19659324 [patent_doc_number] => 20240426389 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => VALVE AND FLUID CONTROL DEVICE [patent_app_type] => utility [patent_app_number] => 18/820944 [patent_app_country] => US [patent_app_date] => 2024-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8012 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18820944 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/820944
Valve and fluid control device Aug 29, 2024 Issued
Array ( [id] => 19643771 [patent_doc_number] => 20240418291 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => Flow Control Valve with Rolling Diaphragm [patent_app_type] => utility [patent_app_number] => 18/816398 [patent_app_country] => US [patent_app_date] => 2024-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5319 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 401 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18816398 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/816398
Flow Control Valve with Rolling Diaphragm Aug 26, 2024 Pending
Array ( [id] => 19746653 [patent_doc_number] => 20250035218 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => Dovetailed Gate Valve [patent_app_type] => utility [patent_app_number] => 18/786171 [patent_app_country] => US [patent_app_date] => 2024-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2459 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18786171 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/786171
Dovetailed Gate Valve Aug 13, 2024 Pending
Array ( [id] => 19786364 [patent_doc_number] => 20250060043 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-20 [patent_title] => Multi-Port Valve, Water-Side Component, Thermal Management Integrated System, and Vehicle [patent_app_type] => utility [patent_app_number] => 18/802239 [patent_app_country] => US [patent_app_date] => 2024-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20050 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18802239 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/802239
Multi-Port Valve, Water-Side Component, Thermal Management Integrated System, and Vehicle Aug 12, 2024 Pending
Array ( [id] => 19605310 [patent_doc_number] => 20240396190 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => DRAIN VALVE FOR BATTERY BOX, BATTERY, ELECTRIC APPARATUS, AND DRAINAGE METHOD [patent_app_type] => utility [patent_app_number] => 18/795834 [patent_app_country] => US [patent_app_date] => 2024-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10269 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 11 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18795834 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/795834
DRAIN VALVE FOR BATTERY BOX, BATTERY, ELECTRIC APPARATUS, AND DRAINAGE METHOD Aug 5, 2024 Pending
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