Karl A Schulke

This inventor holds 11 USPTO granted patents. Top assignees: Heraeus Quarzschmelze Gmbh, W.c. Heraeus Gmbh. Active years: 1982-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Karl A Schulke. Retrieved from https://idiyas.com/inventor/karl-a-schulke

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 1.1

ph-index = 5

Forward Citations = 67(Granted Patents)

Company Filing History:

10 out of 50

Heraeus Quarzschmelze Gmbh

Years Active: 1982-1988

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4778202 - Tubular component made out of quartz glass with a flange (1988-10-18),

2. 4775317 - Oven for the heat treatment of semiconductor substrates (1988-10-04),

3. 4653650 - Rack for supporting wafers for treatment (1987-03-31),

4. 4530818 - Transparent fused silica bell for purposes relating to semiconductor (1985-07-23),

5. 4497277 - Bell of opaque fused silica (1985-02-05),

6. 4488743 - Flange connection for quartz tubes (1984-12-18),

7. 4477112 - Semiconductor substrate handling tray (1984-10-16),

8. 4397897 - Bell of translucent fused silica for the precipitation of polysilicon (1983-08-09),

9. 4370158 - Heat-treating method for semiconductor components (1983-01-25),

10. 4367768 - Refractory protective tube for the heat treatment of semiconductor (1983-01-11),

11. 4349203 - Flange connection to connect a metallic and a glass or ceramic (1982-09-14),

Title: The Innovative Journey of Karl A. Schulke

Introduction

Karl A. Schulke, an inventive mind based in Neuberg, Germany, has made significant contributions to the field of quartz glass technologies. With a remarkable portfolio of 11 patents, Schulke has focused his efforts on developing advanced solutions that enhance the functionality and efficiency of various quartz glass products.

Latest Patents

Two of Schulke's latest patents showcase his innovative spirit. The first is a **tubular component made out of quartz glass with a flange**. This invention addresses the cooling needs of tubular components by avoiding heat conduction and radiation around the flange. Its design features a hollow and narrow-walled flange, enabling the use of coolant, such as water or gas, either for internal cooling or heat insulation.

The second patent, an **oven for the heat treatment of semiconductor substrates**, introduces a sophisticated diffusion oven equipped with an upright, heatable quartz tube. Its variable support system, designed from vertical rods or tubes, accommodates multiple diffusion racks for holding wafer-like substrates. This innovative design allows for efficient vertical operation where the substrates stand on edge during treatment.

Career Highlights

Karl A. Schulke's professional journey includes significant roles at companies like Heraeus Quarzschmelze GmbH and W.C. Heraeus GmbH. His expertise in quartz glass technology has played a vital role in the development of products that cater to high-tech industries, particularly in the semiconductor sector.

Collaborations

Throughout his career, Schulke has collaborated with notable professionals, including Christopher J. Bayne and Geoffrey Hayward. These partnerships have enhanced his projects and fostered a collaborative environment for innovation and problem-solving in the ever-evolving field of material science.

Conclusion

Karl A. Schulke stands out as an influential inventor in the quartz glass domain. His recent patents exhibit his commitment to innovation and addressing industry challenges, contributing significantly to advancements in semiconductor technology and beyond. The continued evolution of his work promises to pave the way for further breakthroughs in the future.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]