Well Drill.

Thumbnail image of item number 1 in: 'Well Drill.'.
Thumbnail image of item number 2 in: 'Well Drill.'.
Thumbnail image of item number 3 in: 'Well Drill.'.

Description

Patent for a new and improved well-drill. This design consists "[i]n a drill, the cylinder closed at its upper end by a head with a stuffing-box and a tapering opening and provided at its lower end with suitable cutters, in combination with an operating-rod passing through the upper head and a weight, said operating-rod being provided with spring-arms adapted to engage and raise said weight within the cylinder and at the top thereof automatically to release it" (lines 27-35).

Physical Description

[2], 1 p. : ill. ; 23 cm.

Creation Information

Welke, William Robert December 30, 1890.

Context

This patent is part of the collection entitled: Texas Patents and was provided by the UNT Libraries Government Documents Department to The Portal to Texas History, a digital repository hosted by the UNT Libraries. More information about this patent can be viewed below.

Who

People and organizations associated with either the creation of this patent or its content.

Inventor

  • Welke, William Robert Welke, W. R., of Oak Cliff, assignor of one-half to W. J. and C. L. Betterton, of Dallas, Texas.

Assignees

Printer

Witnesses

Publisher

Audiences

Check out our Resources for Educators Site! We've identified this patent as a primary source within our collections. Researchers, educators, and students may find this patent useful in their work.

Provided By

UNT Libraries Government Documents Department

Serving as both a federal and a state depository library, the UNT Libraries Government Documents Department maintains millions of items in a variety of formats. The department is a member of the FDLP Content Partnerships Program and an Affiliated Archive of the National Archives.

About | Browse this Partner

Contact Us

Corrections Questions

What

Descriptive information to help identify this patent. Follow the links below to find similar items on the Portal.

Description

Patent for a new and improved well-drill. This design consists "[i]n a drill, the cylinder closed at its upper end by a head with a stuffing-box and a tapering opening and provided at its lower end with suitable cutters, in combination with an operating-rod passing through the upper head and a weight, said operating-rod being provided with spring-arms adapted to engage and raise said weight within the cylinder and at the top thereof automatically to release it" (lines 27-35).

Physical Description

[2], 1 p. : ill. ; 23 cm.

Notes

"SPECIFICATION forming part of Letters Patent No. 443,688, dated December 30, 1890. Application filed May 20, 1890. Serial No. 352,556. (No model.)"

Subjects

Keywords

Library of Congress Subject Headings

University of North Texas Libraries Browse Structure

Language

Item Type

Identifier

Unique identifying numbers for this patent in the Portal or other systems.

Collections

This patent is part of the following collection of related materials.

Texas Patents

United States patents filed by Texas inventors before 1900. A majority of the patents are for agricultural and industrial applications.

About | Browse this Collection

What responsibilities do I have when using this patent?

Digital Files

When

Dates and time periods associated with this patent.

Creation Date

  • December 30, 1890

Accepted Date

  • December 30, 1890

Submitted Date

  • May 20, 1890

Added to The Portal to Texas History

  • Aug. 4, 2011, 5:55 p.m.

Description Last Updated

  • Feb. 29, 2024, 7:03 p.m.

Usage Statistics

When was this patent last used?

Yesterday: 0
Past 30 days: 0
Total Uses: 4
More Statistics

Where

Geographical information about where this patent originated or about its content.

Place Name

Publication Place

Map Information

  • map marker Place Name coordinates. (May be approximate.)
  • Repositioning map may be required for optimal printing.

Mapped Locations

Interact With This Patent

Here are some suggestions for what to do next.

Start Viewing

Thumbnail image of item number 1 in: 'Well Drill.'.
Thumbnail image of item number 2 in: 'Well Drill.'.
Thumbnail image of item number 3 in: 'Well Drill.'.

Citations, Rights, Re-Use

International Image Interoperability Framework

IIF Logo

We support the IIIF Presentation API

Links for Robots

Helpful links in machine-readable formats.

Archival Resource Key (ARK)

International Image Interoperability Framework (IIIF)

Metadata Formats

Images

URLs

Stats

Welke, William Robert. Well Drill., patent, December 30, 1890; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth172559/: accessed April 26, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.

Back to Top of Screen