Growing community of inventors

Randolph, NJ, United States of America

David H Malcolm

Average Co-Inventor Count = 1.27

ph-index = 7

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 209

David H MalcolmGeorge P Wilenius (3 patents)David H MalcolmDavid H Malcolm (7 patents)George P WileniusGeorge P Wilenius (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (3 from 832,718 patents)

2. Speeflo Manufacturing Corporation (2 from 6 patents)

3. Titan Tool, Inc. (1 from 18 patents)

4. Xi Tech Inc. (1 from 1 patent)


7 patents:

1. 4979198 - Method for production of fluoroscopic and radiographic x-ray images and

2. 4856036 - Method for production of fluoroscopic and radiographic x-ray images and

3. 4619670 - Apparatus for dielectrophoretically enhanced particle collection

4. 4541844 - Method and apparatus for dielectrophoretically enhanced particle

5. 4508276 - Current limited electrostatic spray gun system with positive feedback

6. 4290091 - Spray gun having self-contained low voltage and high voltage power

7. 4219865 - Energy conversion unit for electrostatic spray coating apparatus and the

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as of
12/13/2025
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