1
Hammel Joseph J, Allersma Ties: Thermally stable and crush resistant microporous glass catalyst supports and methods of making. PPG, Millman Dennis G, Uhl William J, December 2, 1975: US3923688 (26 worldwide citation)

Thermally stable, mechanically strong microporous glass articles with large pore volumes, surface areas, and varying pore sizes, and methods for making such articles are disclosed. In particle form, such as beads, the microporous glass articles are useful as catalyst supports in applications such as ...


2
Malobicky Jr Rudolph L, Perkins James B, Taylor Robert H: Visual display windshield. PPG, Millman Dennis G, August 12, 1975: US3899241 (22 worldwide citation)

A windshield adapted for use in aircraft is provided with a transparent reflective coating on the inboard surface in the center portion of the forward vision area to form a visual image receiving area.


3
Mazzoni Renato J, Bowser George H, Stewart John L: Packaged add-on multiple glazing units and method. PPG, Millman Dennis G, December 30, 1975: US3928953 (22 worldwide citation)

Two prefabricated add-on glazing subassemblies are sealed together to form a package for handling, shipping, and storage. When separated, each subassembly is mounted onto an existing single glazed window to convert it to an insulating, sealed, multiple glazed installation.


4
Hammel Joseph J, Allersma Ties: Thermally stable and crush resistant microporous glass catalyst supports. PPG, Millman Dennis G, Uhl William J, December 2, 1975: US3923533 (22 worldwide citation)

Thermally stable, mechanically strong microporous glass articles with large pore volumes, surface areas, and varying pore sizes, and methods for making such articles are disclosed. In particle form, such as beads, the microporous glass articles are useful as catalyst supports in applications such as ...


5
Frederick Jr Walter: Method and apparatus for monitoring and controlling glass cutting. PPG, Millman Dennis G, April 29, 1975: US3880028 (16 worldwide citation)

Sound waves, either sonic or ultrasonic, produced by the scoring of glass in a cutting operation, are detected and correlated to the quality of the cut. Pressure on the scoring tool and scoring speed may be controlled in accordance with the detected sound level. Quality of anneal may also be correla ...


6
Goldinger John A, Peterson Dwight R: Method and apparatus for transferring articles from a conveyor. PPG, Millman Dennis G, November 25, 1975: US3921789 (11 worldwide citation)

A junction of a main line conveyor and a branch line conveyor is provided with a vertically movable transfer unit having upper and lower conveyor sections. When an article is being transferred from either section, the other section is aligned with the main line conveyor so as to permit continuance o ...


7
Li Hong, Richards Cheryl A: Low dielectric glass and fiber glass for electronic applications. Ppg Industries Ohio, MILLMAN Dennis G, June 19, 2008: WO/2008/073585 (11 worldwide citation)

Glass compositions are provided that are useful in electronic applications, e.g., as reinforcements in printed circuit board substrates. Reduced dielectric constants are provided relative to E-glass, and fiber forming properties are provided that are more commercially practical than D-glass. Glass c ...


8
Schwenninger Ronald L: Flat glass inspection system and method. PPG, Millman Dennis G, December 9, 1975: US3925049 (8 worldwide citation)

Flat glass is inspected for point type defects by passing a band of partially collimated light, whose rays lie in planes that are essentially normal to the surface of the glass and parallel to longitudinally extending drawline defects, through the glass at an acute angle with respect to the surface ...


9
Bonaddio Robert M, Parkhill Laverne O: Method for ganged scoring of glass. PPG, Millman Dennis G, April 29, 1975: US3880029 (7 worldwide citation)

Ganged scores are made in two directions on a sheet of glass in order to subdivide it into a plurality of small pieces. Interchangeable scoring tool holders are utilized to adapt the apparatus to different score spacings. Scoring pressure can be varied on each scoring tool individually or simultaneo ...


10
Dahlberg John R, Grove Robert H: Method for trimming glass. PPG, Millman Dennis G, November 25, 1975: US3921873 (5 worldwide citation)

Method for improving the edge quality of bulb edge trim cuts wherein a band of the glass parallel to a bulb edge is heated during the cutting operation so as to reduce compressive forces in the bulb portion.